128852132040 has 96 divisors (see below), whose sum is σ = 440809948800. Its totient is φ = 32552115840.

The previous prime is 128852132039. The next prime is 128852132047. The reversal of 128852132040 is 40231258821.

It is a happy number.

128852132040 is a `hidden beast` number, since 1 + 288 + 52 + 1 + 320 + 4 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 128852131986 and 128852132004.

It is not an unprimeable number, because it can be changed into a prime (128852132047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9412176 + ... + 9425855.

It is an arithmetic number, because the mean of its divisors is an integer number (4591770300).

Almost surely, 2^128852132040 is an apocalyptic number.

128852132040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128852132040 is an abundant number, since it is smaller than the sum of its proper divisors (311957816760).

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

128852132040 is a wasteful number, since it uses less digits than its factorization.

128852132040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18838067 (or 18838060 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 128852132040 in words is "one hundred twenty-eight billion, eight hundred fifty-two million, one hundred thirty-two thousand, forty".