331490056261056 has 448 divisors, whose sum is σ = 1116880616079360. Its totient is φ = 84259692195840.

The previous prime is 331490056261037. The next prime is 331490056261127. The reversal of 331490056261056 is 650162650094133.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7545332466 + ... + 7545376398.

Almost surely, 2^{331490056261056} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331490056261056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558440308039680).

331490056261056 is an abundant number, since it is smaller than the sum of its proper divisors (785390559818304).

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

331490056261056 is a wasteful number, since it uses less digits than its factorization.

331490056261056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54872 (or 54862 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 51.

The spelling of 331490056261056 in words is "three hundred thirty-one trillion, four hundred ninety billion, fifty-six million, two hundred sixty-one thousand, fifty-six".