102656000040 has 128 divisors (see below), whose sum is σ = 339291918720. Its totient is φ = 24639872000.

The previous prime is 102656000023. The next prime is 102656000129. The reversal of 102656000040 is 40000656201.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251679 + ... + 518318.

It is an arithmetic number, because the mean of its divisors is an integer number (2650718115).

Almost surely, 2^102656000040 is an apocalyptic number.

102656000040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102656000040 is an abundant number, since it is smaller than the sum of its proper divisors (236635918680).

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

102656000040 is a wasteful number, since it uses less digits than its factorization.

102656000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770123 (or 770119 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 102656000040 its reverse (40000656201), we get a palindrome (142656656241).

The spelling of 102656000040 in words is "one hundred two billion, six hundred fifty-six million, forty", and thus it is an aban number.