631634442 has 32 divisors (see below), whose sum is σ = 1375617600. Its totient is φ = 192584448.

The previous prime is 631634429. The next prime is 631634453. The reversal of 631634442 is 244436136.

631634442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92223 + ... + 98834.

It is an arithmetic number, because the mean of its divisors is an integer number (42988050).

Almost surely, 2^631634442 is an apocalyptic number.

631634442 is an abundant number, since it is smaller than the sum of its proper divisors (743983158).

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

631634442 is a wasteful number, since it uses less digits than its factorization.

631634442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191110.

The product of its digits is 41472, while the sum is 33.

The square root of 631634442 is about 25132.3385700575. The cubic root of 631634442 is about 858.0025945227.

The spelling of 631634442 in words is "six hundred thirty-one million, six hundred thirty-four thousand, four hundred forty-two".