630557230941640 has 32 divisors (see below), whose sum is σ = 1418754689210880. Its totient is φ = 252222728893632.

The previous prime is 630557230941623. The next prime is 630557230941661. The reversal of 630557230941640 is 46149032755036.

630557230941640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71590987 + ... + 79914853.

It is an arithmetic number, because the mean of its divisors is an integer number (44336084037840).

Almost surely, 2^{630557230941640} is an apocalyptic number.

It is an amenable number.

630557230941640 is an abundant number, since it is smaller than the sum of its proper divisors (788197458269240).

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

630557230941640 is a wasteful number, since it uses less digits than its factorization.

630557230941640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10217701 (or 10217697 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 55.

The spelling of 630557230941640 in words is "six hundred thirty trillion, five hundred fifty-seven billion, two hundred thirty million, nine hundred forty-one thousand, six hundred forty".