397824039820032 has 72 divisors (see below), whose sum is σ = 1210048121135616. Its totient is φ = 113664011375616.

The previous prime is 397824039820013. The next prime is 397824039820099. The reversal of 397824039820032 is 230028930428793.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36999998328 + ... + 37000009079.

Almost surely, 2^{397824039820032} is an apocalyptic number.

397824039820032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

397824039820032 is an abundant number, since it is smaller than the sum of its proper divisors (812224081315584).

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

397824039820032 is an equidigital number, since it uses as much as digits as its factorization.

397824039820032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74000007433 (or 74000007419 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 60.

The spelling of 397824039820032 in words is "three hundred ninety-seven trillion, eight hundred twenty-four billion, thirty-nine million, eight hundred twenty thousand, thirty-two".