461423720 has 16 divisors (see below), whose sum is σ = 1038203460. Its totient is φ = 184569472.

The previous prime is 461423713. The next prime is 461423731. The reversal of 461423720 is 27324164.

It can be written as a sum of positive squares in 2 ways, for example, as 428407204 + 33016516 = 20698^2 + 5746^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5767757 + ... + 5767836.

Almost surely, 2^461423720 is an apocalyptic number.

461423720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

461423720 is an abundant number, since it is smaller than the sum of its proper divisors (576779740).

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

461423720 is a wasteful number, since it uses less digits than its factorization.

461423720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11535604 (or 11535600 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 461423720 is about 21480.7755912118. The cubic root of 461423720 is about 772.7398430670.

Adding to 461423720 its reverse (27324164), we get a palindrome (488747884).

The spelling of 461423720 in words is "four hundred sixty-one million, four hundred twenty-three thousand, seven hundred twenty".