630442525612 has 48 divisors (see below), whose sum is σ = 1132642698880. Its totient is φ = 306879850368.

The previous prime is 630442525591. The next prime is 630442525681. The reversal of 630442525612 is 216525244036.

It is a happy 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, 104323063 + ... + 104329105.

Almost surely, 2^630442525612 is an apocalyptic number.

It is an amenable number.

630442525612 is a deficient number, since it is larger than the sum of its proper divisors (502200173268).

630442525612 is a wasteful number, since it uses less digits than its factorization.

630442525612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7982 (or 7980 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 630442525612 its reverse (216525244036), we get a palindrome (846967769648).

The spelling of 630442525612 in words is "six hundred thirty billion, four hundred forty-two million, five hundred twenty-five thousand, six hundred twelve".