630254064 has 40 divisors (see below), whose sum is σ = 1776172032. Its totient is φ = 190985920.

The previous prime is 630254063. The next prime is 630254077. The reversal of 630254064 is 460452036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630254063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596304 + ... + 597359.

Almost surely, 2^630254064 is an apocalyptic number.

It is an amenable number.

630254064 is an abundant number, since it is smaller than the sum of its proper divisors (1145917968).

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

630254064 is a wasteful number, since it uses less digits than its factorization.

630254064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193685 (or 1193679 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 630254064 is about 25104.8613618956. The cubic root of 630254064 is about 857.3771105134.

The spelling of 630254064 in words is "six hundred thirty million, two hundred fifty-four thousand, sixty-four".