256035604600 has 24 divisors (see below), whose sum is σ = 595282781160. Its totient is φ = 102414241760.

The previous prime is 256035604543. The next prime is 256035604639. The reversal of 256035604600 is 6406530652.

It is a self number, because there is not a number n which added to its sum of digits gives 256035604600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 640088812 + ... + 640089211.

It is an arithmetic number, because the mean of its divisors is an integer number (24803449215).

Almost surely, 2^256035604600 is an apocalyptic number.

256035604600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256035604600 is an abundant number, since it is smaller than the sum of its proper divisors (339247176560).

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

256035604600 is a wasteful number, since it uses less digits than its factorization.

256035604600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280178039 (or 1280178030 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 256035604600 in words is "two hundred fifty-six billion, thirty-five million, six hundred four thousand, six hundred".