461843817132 has 18 divisors (see below), whose sum is σ = 1077641066404. Its totient is φ = 153947154320.

The previous prime is 461843817121. The next prime is 461843817157. The reversal of 461843817132 is 231718348164.

It is a super-2 number, since 2×461843817132² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2256082 + ... + 2452262.

Almost surely, 2^461843817132 is an apocalyptic number.

It is an amenable number.

461843817132 is an abundant number, since it is smaller than the sum of its proper divisors (615797249272).

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

461843817132 is an frugal number, since it uses more digits than its factorization.

461843817132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392369 (or 196186 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

Multiplying 461843817132 by its sum of digits (48), we get a square (22168503222336 = 4708344²).

The spelling of 461843817132 in words is "four hundred sixty-one billion, eight hundred forty-three million, eight hundred seventeen thousand, one hundred thirty-two".