630818956340 has 48 divisors (see below), whose sum is σ = 1332847353600. Its totient is φ = 250779923712.

The previous prime is 630818956309. The next prime is 630818956393. The reversal of 630818956340 is 43659818036.

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, 41171201 + ... + 41186519.

It is an arithmetic number, because the mean of its divisors is an integer number (27767653200).

Almost surely, 2^630818956340 is an apocalyptic number.

It is an amenable number.

630818956340 is an abundant number, since it is smaller than the sum of its proper divisors (702028397260).

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

630818956340 is a wasteful number, since it uses less digits than its factorization.

630818956340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27824 (or 27822 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 630818956340 in words is "six hundred thirty billion, eight hundred eighteen million, nine hundred fifty-six thousand, three hundred forty".