331605600880 has 80 divisors (see below), whose sum is σ = 789081933024. Its totient is φ = 129529774080.

The previous prime is 331605600847. The next prime is 331605600901. The reversal of 331605600880 is 88006506133.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

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, 24489472 + ... + 24503008.

Almost surely, 2^331605600880 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 331605600880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394540966512).

331605600880 is an abundant number, since it is smaller than the sum of its proper divisors (457476332144).

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

331605600880 is a wasteful number, since it uses less digits than its factorization.

331605600880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20714 (or 20708 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 331605600880 in words is "three hundred thirty-one billion, six hundred five million, six hundred thousand, eight hundred eighty".