631359458496 has 1008 divisors, whose sum is σ = 2192760460800. Its totient is φ = 179454652416.

The previous prime is 631359458467. The next prime is 631359458507. The reversal of 631359458496 is 694854953136.

631359458496 is a `hidden beast` number, since 6 + 3 + 1 + 3 + 5 + 94 + 58 + 496 = 666.

It is a super-2 number, since 2×631359458496² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2347061050 + ... + 2347061318.

It is an arithmetic number, because the mean of its divisors is an integer number (2175357600).

Almost surely, 2^631359458496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 631359458496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1096380230400).

631359458496 is an abundant number, since it is smaller than the sum of its proper divisors (1561401002304).

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

631359458496 is a wasteful number, since it uses less digits than its factorization.

631359458496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 353 counting only the distinct ones).

The product of its digits is 83980800, while the sum is 63.

The spelling of 631359458496 in words is "six hundred thirty-one billion, three hundred fifty-nine million, four hundred fifty-eight thousand, four hundred ninety-six".