630457952 has 24 divisors (see below), whose sum is σ = 1262255400. Its totient is φ = 309885184.

The previous prime is 630457913. The next prime is 630457969. The reversal of 630457952 is 259754036.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165077 + ... + 168852.

It is an arithmetic number, because the mean of its divisors is an integer number (52593975).

Almost surely, 2^630457952 is an apocalyptic number.

It is an amenable number.

630457952 is an abundant number, since it is smaller than the sum of its proper divisors (631797448).

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

630457952 is a wasteful number, since it uses less digits than its factorization.

630457952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333998 (or 333990 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 630457952 is about 25108.9217609996. The cubic root of 630457952 is about 857.4695547447.

The spelling of 630457952 in words is "six hundred thirty million, four hundred fifty-seven thousand, nine hundred fifty-two".