256365461034 has 24 divisors (see below), whose sum is σ = 555510488832. Its totient is φ = 85447155240.

The previous prime is 256365461021. The next prime is 256365461041. The reversal of 256365461034 is 430164563652.

256365461034 is a `hidden beast` number, since 2 + 5 + 63 + 6 + 546 + 10 + 34 = 666.

It is a super-2 number, since 2×256365461034² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 467274 + ... + 855029.

It is an arithmetic number, because the mean of its divisors is an integer number (23146270368).

Almost surely, 2^256365461034 is an apocalyptic number.

256365461034 is an abundant number, since it is smaller than the sum of its proper divisors (299145027798).

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

256365461034 is a wasteful number, since it uses less digits than its factorization.

256365461034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333082 (or 1333079 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 256365461034 in words is "two hundred fifty-six billion, three hundred sixty-five million, four hundred sixty-one thousand, thirty-four".