440140460 has 12 divisors (see below), whose sum is σ = 924295008. Its totient is φ = 176056176.

The previous prime is 440140447. The next prime is 440140483. The reversal of 440140460 is 64041044.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11003492 + ... + 11003531.

It is an arithmetic number, because the mean of its divisors is an integer number (77024584).

Almost surely, 2^440140460 is an apocalyptic number.

It is an amenable number.

440140460 is an abundant number, since it is smaller than the sum of its proper divisors (484154548).

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

440140460 is a wasteful number, since it uses less digits than its factorization.

440140460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22007032 (or 22007030 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 440140460 is about 20979.5247801279. The cubic root of 440140460 is about 760.6714172845.

The spelling of 440140460 in words is "four hundred forty million, one hundred forty thousand, four hundred sixty".