440494444220 has 12 divisors (see below), whose sum is σ = 925038332904. Its totient is φ = 176197777680.

The previous prime is 440494444219. The next prime is 440494444259. The reversal of 440494444220 is 22444494044.

It is a congruent number.

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, 11012361086 + ... + 11012361125.

It is an arithmetic number, because the mean of its divisors is an integer number (77086527742).

Almost surely, 2^440494444220 is an apocalyptic number.

It is an amenable number.

440494444220 is an abundant number, since it is smaller than the sum of its proper divisors (484543888684).

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

440494444220 is a wasteful number, since it uses less digits than its factorization.

440494444220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22024722220 (or 22024722218 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 41.

The spelling of 440494444220 in words is "four hundred forty billion, four hundred ninety-four million, four hundred forty-four thousand, two hundred twenty".