128372603320 has 64 divisors (see below), whose sum is σ = 321090819840. Its totient is φ = 45870105600.

The previous prime is 128372603311. The next prime is 128372603339. The reversal of 128372603320 is 23306273821.

It is a self number, because there is not a number n which added to its sum of digits gives 128372603320.

It is a congruent number.

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, 3965661 + ... + 3997900.

It is an arithmetic number, because the mean of its divisors is an integer number (5017044060).

Almost surely, 2^128372603320 is an apocalyptic number.

128372603320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128372603320 is an abundant number, since it is smaller than the sum of its proper divisors (192718216520).

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

128372603320 is a wasteful number, since it uses less digits than its factorization.

128372603320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7963616 (or 7963612 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 128372603320 in words is "one hundred twenty-eight billion, three hundred seventy-two million, six hundred three thousand, three hundred twenty".