331404320044040 has 64 divisors (see below), whose sum is σ = 758542113054720. Its totient is φ = 130275300960000.

The previous prime is 331404320043961. The next prime is 331404320044121. The reversal of 331404320044040 is 40440023404133.

It is a junction number, because it is equal to n+sod(n) for n = 331404320043988 and 331404320044006.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56193056 + ... + 61809935.

It is an arithmetic number, because the mean of its divisors is an integer number (11852220516480).

Almost surely, 2^{331404320044040} is an apocalyptic number.

It is an amenable number.

331404320044040 is an abundant number, since it is smaller than the sum of its proper divisors (427137793010680).

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

331404320044040 is a wasteful number, since it uses less digits than its factorization.

331404320044040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118004214 (or 118004210 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 331404320044040 its reverse (40440023404133), we get a palindrome (371844343448173).

The spelling of 331404320044040 in words is "three hundred thirty-one trillion, four hundred four billion, three hundred twenty million, forty-four thousand, forty".