128980624000 has 64 divisors (see below), whose sum is σ = 320678116200. Its totient is φ = 51592243200.

The previous prime is 128980623977. The next prime is 128980624049. The reversal of 128980624000 is 426089821.

It can be written as a sum of positive squares in 4 ways, for example, as 19705421376 + 109275202624 = 140376^2 + 330568^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 4014645 + ... + 4046644.

Almost surely, 2^128980624000 is an apocalyptic number.

128980624000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128980624000 is an abundant number, since it is smaller than the sum of its proper divisors (191697492200).

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

128980624000 is an frugal number, since it uses more digits than its factorization.

128980624000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8061318 (or 8061296 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 128980624000 in words is "one hundred twenty-eight billion, nine hundred eighty million, six hundred twenty-four thousand".