461979842630 has 32 divisors (see below), whose sum is σ = 840215031264. Its totient is φ = 182869779456.

The previous prime is 461979842617. The next prime is 461979842651. The reversal of 461979842630 is 36248979164.

It is a self number, because there is not a number n which added to its sum of digits gives 461979842630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17372024 + ... + 17398596.

It is an arithmetic number, because the mean of its divisors is an integer number (26256719727).

Almost surely, 2^461979842630 is an apocalyptic number.

461979842630 is a deficient number, since it is larger than the sum of its proper divisors (378235188634).

461979842630 is a wasteful number, since it uses less digits than its factorization.

461979842630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44600.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 461979842630 in words is "four hundred sixty-one billion, nine hundred seventy-nine million, eight hundred forty-two thousand, six hundred thirty".