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406872401792 = 277874038997
BaseRepresentation
bin1011110101110110111…
…11000010011110000000
31102220012122012112221112
411322323133002132000
523131233313324132
6510525315342452
741252451231563
oct5727337023600
91386178175845
10406872401792
1114760a9555aa
1266a308b1a28
132c4a2389a8c
141599abc64da
15a8b4e0aab2
hex5ebb7c2780

406872401792 has 32 divisors (see below), whose sum is σ = 811596258120. Its totient is φ = 203177654784.

The previous prime is 406872401783. The next prime is 406872401833. The reversal of 406872401792 is 297104278604.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×4068724017922 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 406872401792.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1918763 + ... + 2120234.

Almost surely, 2406872401792 is an apocalyptic number.

It is an amenable number.

406872401792 is a deficient number, since it is larger than the sum of its proper divisors (404723856328).

406872401792 is an equidigital number, since it uses as much as digits as its factorization.

406872401792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039798 (or 4039786 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 406872401792 in words is "four hundred six billion, eight hundred seventy-two million, four hundred one thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 16 32 64 128 787 1574 3148 6296 12592 25184 50368 100736 4038997 8077994 16155988 32311976 64623952 129247904 258495808 516991616 3178690639 6357381278 12714762556 25429525112 50859050224 101718100448 203436200896 406872401792