128952470952 has 96 divisors (see below), whose sum is σ = 353333097000. Its totient is φ = 42481612800.

The previous prime is 128952470951. The next prime is 128952470953. The reversal of 128952470952 is 259074259821.

128952470952 is a `hidden beast` number, since 1 + 2 + 89 + 5 + 2 + 470 + 95 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (128952470951) and next prime (128952470953).

It can be written as a sum of positive squares in 4 ways, for example, as 94847984676 + 34104486276 = 307974^2 + 184674^2 .

It is not an unprimeable number, because it can be changed into a prime (128952470951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22226452 + ... + 22232252.

Almost surely, 2^128952470952 is an apocalyptic number.

128952470952 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 128952470952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176666548500).

128952470952 is an abundant number, since it is smaller than the sum of its proper divisors (224380626048).

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

128952470952 is a wasteful number, since it uses less digits than its factorization.

128952470952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9371 (or 9364 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 128952470952 in words is "one hundred twenty-eight billion, nine hundred fifty-two million, four hundred seventy thousand, nine hundred fifty-two".