944311531444 has 6 divisors (see below), whose sum is σ = 1652545180034. Its totient is φ = 472155765720.

The previous prime is 944311531421. The next prime is 944311531447. The reversal of 944311531444 is 444135113449.

It can be written as a sum of positive squares in only one way, i.e., 764204659344 + 180106872100 = 874188^2 + 424390^2 .

It is a super-2 number, since 2×944311531444² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 944311531444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (944311531447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118038941427 + ... + 118038941434.

Almost surely, 2^944311531444 is an apocalyptic number.

It is an amenable number.

944311531444 is a deficient number, since it is larger than the sum of its proper divisors (708233648590).

944311531444 is a wasteful number, since it uses less digits than its factorization.

944311531444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236077882865 (or 236077882863 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The spelling of 944311531444 in words is "nine hundred forty-four billion, three hundred eleven million, five hundred thirty-one thousand, four hundred forty-four".