256105592432 has 10 divisors (see below), whose sum is σ = 496204585368. Its totient is φ = 128052796208.

The previous prime is 256105592429. The next prime is 256105592507. The reversal of 256105592432 is 234295501652.

It is a happy number.

256105592432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×256105592432³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8003299748 + ... + 8003299779.

Almost surely, 2^256105592432 is an apocalyptic number.

It is an amenable number.

256105592432 is a deficient number, since it is larger than the sum of its proper divisors (240098992936).

256105592432 is a wasteful number, since it uses less digits than its factorization.

256105592432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16006599535 (or 16006599529 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 256105592432 in words is "two hundred fifty-six billion, one hundred five million, five hundred ninety-two thousand, four hundred thirty-two".