128972036484 has 60 divisors (see below), whose sum is σ = 337193708544. Its totient is φ = 42986174256.

The previous prime is 128972036483. The next prime is 128972036489. The reversal of 128972036484 is 484630279821.

128972036484 is a `hidden beast` number, since 1 + 28 + 97 + 20 + 36 + 484 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 128972036484.

It is not an unprimeable number, because it can be changed into a prime (128972036483) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4776229 + ... + 4803155.

Almost surely, 2^128972036484 is an apocalyptic number.

It is an amenable number.

128972036484 is an abundant number, since it is smaller than the sum of its proper divisors (208221672060).

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

128972036484 is a wasteful number, since it uses less digits than its factorization.

128972036484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41726 (or 41715 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 128972036484 in words is "one hundred twenty-eight billion, nine hundred seventy-two million, thirty-six thousand, four hundred eighty-four".