440860064 has 24 divisors (see below), whose sum is σ = 874577088. Its totient is φ = 218745280.

The previous prime is 440860039. The next prime is 440860081. The reversal of 440860064 is 460068044.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 440860064.

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, 48392 + ... + 56775.

It is an arithmetic number, because the mean of its divisors is an integer number (36440712).

Almost surely, 2^440860064 is an apocalyptic number.

It is an amenable number.

440860064 is a deficient number, since it is larger than the sum of its proper divisors (433717024).

440860064 is a wasteful number, since it uses less digits than its factorization.

440860064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105308 (or 105300 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 440860064 is about 20996.6679261258. The cubic root of 440860064 is about 761.0857427119.

The spelling of 440860064 in words is "four hundred forty million, eight hundred sixty thousand, sixty-four".