630516432 has 80 divisors (see below), whose sum is σ = 2004732800. Its totient is φ = 166288896.

The previous prime is 630516413. The next prime is 630516443. The reversal of 630516432 is 234615036.

It is a self number, because there is not a number n which added to its sum of digits gives 630516432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67807 + ... + 76542.

It is an arithmetic number, because the mean of its divisors is an integer number (25059160).

Almost surely, 2^630516432 is an apocalyptic number.

It is an amenable number.

630516432 is an abundant number, since it is smaller than the sum of its proper divisors (1374216368).

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

630516432 is a wasteful number, since it uses less digits than its factorization.

630516432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144380 (or 144374 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 630516432 is about 25110.0862603058. The cubic root of 630516432 is about 857.4960663035.

The spelling of 630516432 in words is "six hundred thirty million, five hundred sixteen thousand, four hundred thirty-two".