972640853324 has 48 divisors (see below), whose sum is σ = 1971275550720. Its totient is φ = 411301946880.

The previous prime is 972640853323. The next prime is 972640853333. The reversal of 972640853324 is 423358046279.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (972640853323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358037 + ... + 1439955.

It is an arithmetic number, because the mean of its divisors is an integer number (41068240640).

Almost surely, 2^972640853324 is an apocalyptic number.

It is an amenable number.

972640853324 is an abundant number, since it is smaller than the sum of its proper divisors (998634697396).

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

972640853324 is a wasteful number, since it uses less digits than its factorization.

972640853324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082358 (or 1082356 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 972640853324 in words is "nine hundred seventy-two billion, six hundred forty million, eight hundred fifty-three thousand, three hundred twenty-four".