461375988 has 48 divisors (see below), whose sum is σ = 1159220160. Its totient is φ = 142288384.

The previous prime is 461375969. The next prime is 461376043. The reversal of 461375988 is 889573164.

It is a super-2 number, since 2×461375988² = 425735604605952288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 461375988.

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, 7131 + ... + 31202.

It is an arithmetic number, because the mean of its divisors is an integer number (24150420).

Almost surely, 2^461375988 is an apocalyptic number.

It is an amenable number.

461375988 is an abundant number, since it is smaller than the sum of its proper divisors (697844172).

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

461375988 is a wasteful number, since it uses less digits than its factorization.

461375988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38416 (or 38414 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 461375988 is about 21479.6645225199. The cubic root of 461375988 is about 772.7131967775.

It can be divided in two parts, 46137 and 5988, that added together give a palindrome (52125).

The spelling of 461375988 in words is "four hundred sixty-one million, three hundred seventy-five thousand, nine hundred eighty-eight".