361431053856 has 72 divisors (see below), whose sum is σ = 1065886973424. Its totient is φ = 120477015360.

The previous prime is 361431053827. The next prime is 361431053861. The reversal of 361431053856 is 658350134163.

361431053856 is a `hidden beast` number, since 3 + 61 + 4 + 3 + 1 + 0 + 538 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23232390 + ... + 23247941.

It is an arithmetic number, because the mean of its divisors is an integer number (14803985742).

Almost surely, 2^361431053856 is an apocalyptic number.

361431053856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

361431053856 is an abundant number, since it is smaller than the sum of its proper divisors (704455919568).

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

361431053856 is an equidigital number, since it uses as much as digits as its factorization.

361431053856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46480356 (or 46480336 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 361431053856 in words is "three hundred sixty-one billion, four hundred thirty-one million, fifty-three thousand, eight hundred fifty-six".