631045464 has 32 divisors (see below), whose sum is σ = 1802987520. Its totient is φ = 180298656.

The previous prime is 631045439. The next prime is 631045477. The reversal of 631045464 is 464540136.

It is a congruent number.

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, 1877944 + ... + 1878279.

It is an arithmetic number, because the mean of its divisors is an integer number (56343360).

Almost surely, 2^631045464 is an apocalyptic number.

It is an amenable number.

631045464 is an abundant number, since it is smaller than the sum of its proper divisors (1171942056).

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

631045464 is a wasteful number, since it uses less digits than its factorization.

631045464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756239 (or 3756235 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 631045464 is about 25120.6183044924. The cubic root of 631045464 is about 857.7358253430.

The spelling of 631045464 in words is "six hundred thirty-one million, forty-five thousand, four hundred sixty-four".