944642880544 has 48 divisors (see below), whose sum is σ = 2034486901440. Its totient is φ = 428187016960.

The previous prime is 944642880527. The next prime is 944642880551. The reversal of 944642880544 is 445088246449.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3611299 + ... + 3864034.

It is an arithmetic number, because the mean of its divisors is an integer number (42385143780).

Almost surely, 2^944642880544 is an apocalyptic number.

It is an amenable number.

944642880544 is an abundant number, since it is smaller than the sum of its proper divisors (1089844020896).

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

944642880544 is a wasteful number, since it uses less digits than its factorization.

944642880544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7475713 (or 7475705 counting only the distinct ones).

The product of its (nonzero) digits is 35389440, while the sum is 58.

The spelling of 944642880544 in words is "nine hundred forty-four billion, six hundred forty-two million, eight hundred eighty thousand, five hundred forty-four".