944390680 has 32 divisors (see below), whose sum is σ = 2129652000. Its totient is φ = 376907776.

The previous prime is 944390663. The next prime is 944390717. The reversal of 944390680 is 86093449.

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, 8332 + ... + 44251.

It is an arithmetic number, because the mean of its divisors is an integer number (66551625).

Almost surely, 2^944390680 is an apocalyptic number.

It is an amenable number.

944390680 is an abundant number, since it is smaller than the sum of its proper divisors (1185261320).

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

944390680 is a wasteful number, since it uses less digits than its factorization.

944390680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53043 (or 53039 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 944390680 is about 30730.9401092775. The cubic root of 944390680 is about 981.1089348920.

The spelling of 944390680 in words is "nine hundred forty-four million, three hundred ninety thousand, six hundred eighty".