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404234880400 = 245213202738351
BaseRepresentation
bin1011110000111100100…
…01101100010110010000
31102122101211020120210001
411320132101230112100
523110333112133100
6505411500215344
741130213535051
oct5703621542620
91378354216701
10404234880400
1114648706275a
126641553a554
132c171b0a530
14157ca7b8728
15a7ad5b7d6a
hex5e1e46c590

404234880400 has 120 divisors (see below), whose sum is σ = 1046423274624. Its totient is φ = 149178432000.

The previous prime is 404234880391. The next prime is 404234880419. The reversal of 404234880400 is 4088432404.

It is a self number, because there is not a number n which added to its sum of digits gives 404234880400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10521225 + ... + 10559575.

Almost surely, 2404234880400 is an apocalyptic number.

404234880400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404234880400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523211637312).

404234880400 is an abundant number, since it is smaller than the sum of its proper divisors (642188394224).

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

404234880400 is a wasteful number, since it uses less digits than its factorization.

404234880400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40409 (or 40398 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 37.

The spelling of 404234880400 in words is "four hundred four billion, two hundred thirty-four million, eight hundred eighty thousand, four hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 130 200 208 260 325 400 520 650 1040 1300 2027 2600 4054 5200 8108 10135 16216 20270 26351 32432 38351 40540 50675 52702 76702 81080 101350 105404 131755 153404 162160 191755 202700 210808 263510 306808 383510 405400 421616 498563 527020 613616 658775 767020 810800 958775 997126 1054040 1317550 1534040 1917550 1994252 2108080 2492815 2635100 3068080 3835100 3988504 4985630 5270200 7670200 7977008 9971260 10540400 12464075 15340400 19942520 24928150 39885040 49856300 77737477 99712600 155474954 199425200 310949908 388687385 621899816 777374770 1010587201 1243799632 1554749540 1943436925 2021174402 3109499080 3886873850 4042348804 5052936005 6218998160 7773747700 8084697608 10105872010 15547495400 16169395216 20211744020 25264680025 31094990800 40423488040 50529360050 80846976080 101058720100 202117440200 404234880400