631404232704 has 616 divisors, whose sum is σ = 2200499125920. Its totient is φ = 177343561728.

The previous prime is 631404232691. The next prime is 631404232733. The reversal of 631404232704 is 407232404136.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 10701766627 + ... + 10701766685.

Almost surely, 2^631404232704 is an apocalyptic number.

631404232704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 631404232704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1100249562960).

631404232704 is an abundant number, since it is smaller than the sum of its proper divisors (1569094893216).

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

631404232704 is an frugal number, since it uses more digits than its factorization.

631404232704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The spelling of 631404232704 in words is "six hundred thirty-one billion, four hundred four million, two hundred thirty-two thousand, seven hundred four".