128307310632 has 96 divisors (see below), whose sum is σ = 360504144000. Its totient is φ = 42753101184.

The previous prime is 128307310627. The next prime is 128307310643. The reversal of 128307310632 is 236013703821.

128307310632 is a `hidden beast` number, since 1 + 2 + 8 + 3 + 0 + 7 + 3 + 10 + 632 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5916433 + ... + 5938079.

It is an arithmetic number, because the mean of its divisors is an integer number (3755251500).

Almost surely, 2^128307310632 is an apocalyptic number.

128307310632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128307310632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180252072000).

128307310632 is an abundant number, since it is smaller than the sum of its proper divisors (232196833368).

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

128307310632 is a wasteful number, since it uses less digits than its factorization.

128307310632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24717 (or 24701 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 128307310632 in words is "one hundred twenty-eight billion, three hundred seven million, three hundred ten thousand, six hundred thirty-two".