440460380664 has 64 divisors (see below), whose sum is σ = 1223578656000. Its totient is φ = 146810815200.

The previous prime is 440460380651. The next prime is 440460380677. The reversal of 440460380664 is 466083064044.

440460380664 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (440460380651) and next prime (440460380677).

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, 3914389 + ... + 4025339.

It is an arithmetic number, because the mean of its divisors is an integer number (19118416500).

Almost surely, 2^440460380664 is an apocalyptic number.

It is an amenable number.

440460380664 is an abundant number, since it is smaller than the sum of its proper divisors (783118275336).

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

440460380664 is a wasteful number, since it uses less digits than its factorization.

440460380664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129345 (or 129335 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The spelling of 440460380664 in words is "four hundred forty billion, four hundred sixty million, three hundred eighty thousand, six hundred sixty-four".