632461640 has 32 divisors (see below), whose sum is σ = 1423759680. Its totient is φ = 252856512.

The previous prime is 632461633. The next prime is 632461691. The reversal of 632461640 is 46164236.

632461640 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 632461597 and 632461606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138839 + ... + 143321.

It is an arithmetic number, because the mean of its divisors is an integer number (44492490).

Almost surely, 2^632461640 is an apocalyptic number.

It is an amenable number.

632461640 is an abundant number, since it is smaller than the sum of its proper divisors (791298040).

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

632461640 is a wasteful number, since it uses less digits than its factorization.

632461640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8021 (or 8017 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 632461640 is about 25148.7900305363. The cubic root of 632461640 is about 858.3769821856.

The spelling of 632461640 in words is "six hundred thirty-two million, four hundred sixty-one thousand, six hundred forty".