331258872560 has 160 divisors (see below), whose sum is σ = 960988492800. Its totient is φ = 103166945280.

The previous prime is 331258872523. The next prime is 331258872563. The reversal of 331258872560 is 65278852133.

It is a junction number, because it is equal to n+sod(n) for n = 331258872499 and 331258872508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331258872563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7919381 + ... + 7961099.

It is an arithmetic number, because the mean of its divisors is an integer number (6006178080).

Almost surely, 2^331258872560 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 331258872560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (480494246400).

331258872560 is an abundant number, since it is smaller than the sum of its proper divisors (629729620240).

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

331258872560 is a wasteful number, since it uses less digits than its factorization.

331258872560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43039 (or 43033 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 331258872560 in words is "three hundred thirty-one billion, two hundred fifty-eight million, eight hundred seventy-two thousand, five hundred sixty".