440026644660 has 24 divisors (see below), whose sum is σ = 1232074605216. Its totient is φ = 117340438560.

The previous prime is 440026644647. The next prime is 440026644689. The reversal of 440026644660 is 66446620044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3666888646 + ... + 3666888765.

It is an arithmetic number, because the mean of its divisors is an integer number (51336441884).

Almost surely, 2^440026644660 is an apocalyptic number.

It is an amenable number.

440026644660 is an abundant number, since it is smaller than the sum of its proper divisors (792047960556).

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

440026644660 is a wasteful number, since it uses less digits than its factorization.

440026644660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7333777423 (or 7333777421 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 440026644660 in words is "four hundred forty billion, twenty-six million, six hundred forty-four thousand, six hundred sixty".