940644456 has 32 divisors (see below), whose sum is σ = 2359937760. Its totient is φ = 312437952.

The previous prime is 940644443. The next prime is 940644469. The reversal of 940644456 is 654446049.

It is an interprime number because it is at equal distance from previous prime (940644443) and next prime (940644469).

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, 62455 + ... + 76038.

It is an arithmetic number, because the mean of its divisors is an integer number (73748055).

Almost surely, 2^940644456 is an apocalyptic number.

It is an amenable number.

940644456 is an abundant number, since it is smaller than the sum of its proper divisors (1419293304).

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

940644456 is a wasteful number, since it uses less digits than its factorization.

940644456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138785 (or 138781 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 940644456 is about 30669.9275512675. The cubic root of 940644456 is about 979.8099228747.

The spelling of 940644456 in words is "nine hundred forty million, six hundred forty-four thousand, four hundred fifty-six".