311889454944 has 48 divisors (see below), whose sum is σ = 818905027248. Its totient is φ = 103938363392.

The previous prime is 311889454927. The next prime is 311889454969. The reversal of 311889454944 is 449454988113.

It is a tau number, because it is divible by the number of its divisors (48).

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, 19624 + ... + 790040.

It is an arithmetic number, because the mean of its divisors is an integer number (17060521401).

Almost surely, 2^311889454944 is an apocalyptic number.

It is an amenable number.

311889454944 is an abundant number, since it is smaller than the sum of its proper divisors (507015572304).

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

311889454944 is a wasteful number, since it uses less digits than its factorization.

311889454944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774647 (or 774639 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 60.

The spelling of 311889454944 in words is "three hundred eleven billion, eight hundred eighty-nine million, four hundred fifty-four thousand, nine hundred forty-four".