256892580348 has 24 divisors (see below), whose sum is σ = 599424215040. Its totient is φ = 85629689520.

The previous prime is 256892580323. The next prime is 256892580353. The reversal of 256892580348 is 843085298652.

It is a happy number.

It is a super-2 number, since 2×256892580348² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 256892580291 and 256892580300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1660063 + ... + 1808201.

It is an arithmetic number, because the mean of its divisors is an integer number (24976008960).

Almost surely, 2^256892580348 is an apocalyptic number.

It is an amenable number.

256892580348 is an abundant number, since it is smaller than the sum of its proper divisors (342531634692).

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

256892580348 is a wasteful number, since it uses less digits than its factorization.

256892580348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292657 (or 292655 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 60.

The spelling of 256892580348 in words is "two hundred fifty-six billion, eight hundred ninety-two million, five hundred eighty thousand, three hundred forty-eight".