10255643880 has 64 divisors (see below), whose sum is σ = 32104632960. Its totient is φ = 2615931648.

The previous prime is 10255643869. The next prime is 10255643933. The reversal of 10255643880 is 8834655201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1855147 + ... + 1860666.

It is an arithmetic number, because the mean of its divisors is an integer number (501634890).

Almost surely, 2^10255643880 is an apocalyptic number.

10255643880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10255643880 is an abundant number, since it is smaller than the sum of its proper divisors (21848989080).

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

10255643880 is a wasteful number, since it uses less digits than its factorization.

10255643880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715850 (or 3715846 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 10255643880 in words is "ten billion, two hundred fifty-five million, six hundred forty-three thousand, eight hundred eighty".