630602644 has 12 divisors (see below), whose sum is σ = 1261205344. Its totient is φ = 270258264.

The previous prime is 630602633. The next prime is 630602653. The reversal of 630602644 is 446206036.

630602644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

630602644 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 11260734 + ... + 11260789.

Almost surely, 2^630602644 is an apocalyptic number.

It is an amenable number.

630602644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

630602644 is a wasteful number, since it uses less digits than its factorization.

630602644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22521534 (or 22521532 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 630602644 is about 25111.8028823101. The cubic root of 630602644 is about 857.5351470094.

The spelling of 630602644 in words is "six hundred thirty million, six hundred two thousand, six hundred forty-four".