631747363240 has 32 divisors (see below), whose sum is σ = 1624493220480. Its totient is φ = 216599095872.

The previous prime is 631747363229. The next prime is 631747363253. The reversal of 631747363240 is 42363747136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1128120012 + ... + 1128120571.

It is an arithmetic number, because the mean of its divisors is an integer number (50765413140).

Almost surely, 2^631747363240 is an apocalyptic number.

It is an amenable number.

631747363240 is an abundant number, since it is smaller than the sum of its proper divisors (992745857240).

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

631747363240 is a wasteful number, since it uses less digits than its factorization.

631747363240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256240601 (or 2256240597 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 46.

The spelling of 631747363240 in words is "six hundred thirty-one billion, seven hundred forty-seven million, three hundred sixty-three thousand, two hundred forty".