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408044896256 = 21629434993
BaseRepresentation
bin1011111000000010101…
…11110000000000000000
31110000020100110102222102
411330001113300000000
523141133443140011
6511241522125532
741323506251024
oct5740127600000
91400210412872
10408044896256
11148061784a98
12670b94b08a8
132c62b27079a
1415a6c7d6384
15a932d1173b
hex5f015f0000

408044896256 has 136 divisors (see below), whose sum is σ = 864030517680. Its totient is φ = 192367558656.

The previous prime is 408044896187. The next prime is 408044896289. The reversal of 408044896256 is 652698440804.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81720896 + ... + 81725888.

Almost surely, 2408044896256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 408044896256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432015258840).

408044896256 is an abundant number, since it is smaller than the sum of its proper divisors (455985621424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

408044896256 is an frugal number, since it uses more digits than its factorization.

408044896256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5097 (or 5067 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 56.

The spelling of 408044896256 in words is "four hundred eight billion, forty-four million, eight hundred ninety-six thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 29 32 43 58 64 86 116 128 172 232 256 344 464 512 688 928 1024 1247 1376 1856 2048 2494 2752 3712 4096 4988 4993 5504 7424 8192 9976 9986 11008 14848 16384 19952 19972 22016 29696 32768 39904 39944 44032 59392 65536 79808 79888 88064 118784 144797 159616 159776 176128 214699 237568 289594 319232 319552 352256 429398 475136 579188 638464 639104 704512 858796 950272 1158376 1276928 1278208 1409024 1717592 1900544 2316752 2553856 2556416 2818048 3435184 4633504 5107712 5112832 6226271 6870368 9267008 10215424 10225664 12452542 13740736 18534016 20430848 20451328 24905084 27481472 37068032 40861696 40902656 49810168 54962944 74136064 81723392 81805312 99620336 109925888 148272128 163610624 199240672 219851776 296544256 327221248 398481344 439703552 593088512 796962688 879407104 1186177024 1593925376 1758814208 2372354048 3187850752 3517628416 4744708096 6375701504 7035256832 9489416192 12751403008 14070513664 25502806016 51005612032 102011224064 204022448128 408044896256