331157585055400 has 192 divisors, whose sum is σ = 787688253475200. Its totient is φ = 129430624527360.

The previous prime is 331157585055313. The next prime is 331157585055467. The reversal of 331157585055400 is 4550585751133.

It is a super-2 number, since 2×331157585055400² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10339934187 + ... + 10339966213.

It is an arithmetic number, because the mean of its divisors is an integer number (4102542986850).

Almost surely, 2^{331157585055400} 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 331157585055400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393844126737600).

331157585055400 is an abundant number, since it is smaller than the sum of its proper divisors (456530668419800).

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

331157585055400 is a wasteful number, since it uses less digits than its factorization.

331157585055400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36068 (or 36059 counting only the distinct ones).

The product of its (nonzero) digits is 6300000, while the sum is 52.

The spelling of 331157585055400 in words is "three hundred thirty-one trillion, one hundred fifty-seven billion, five hundred eighty-five million, fifty-five thousand, four hundred".