320952638952 has 64 divisors (see below), whose sum is σ = 972583761600. Its totient is φ = 97258374720.

The previous prime is 320952638899. The next prime is 320952639011. The reversal of 320952638952 is 259836259023.

320952638952 is a `hidden beast` number, since 3 + 20 + 9 + 526 + 3 + 8 + 95 + 2 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67538163 + ... + 67542914.

It is an arithmetic number, because the mean of its divisors is an integer number (15196621275).

Almost surely, 2^320952638952 is an apocalyptic number.

It is an amenable number.

320952638952 is an abundant number, since it is smaller than the sum of its proper divisors (651631122648).

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

320952638952 is a wasteful number, since it uses less digits than its factorization.

320952638952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135081103 (or 135081093 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The spelling of 320952638952 in words is "three hundred twenty billion, nine hundred fifty-two million, six hundred thirty-eight thousand, nine hundred fifty-two".