215232133392 has 120 divisors (see below), whose sum is σ = 625414345920. Its totient is φ = 71657447040.

The previous prime is 215232133379. The next prime is 215232133409. The reversal of 215232133392 is 293331232512.

215232133392 is a `hidden beast` number, since 2 + 1 + 5 + 232 + 1 + 33 + 392 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3229042 + ... + 3295022.

It is an arithmetic number, because the mean of its divisors is an integer number (5211786216).

Almost surely, 2^215232133392 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 215232133392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312707172960).

215232133392 is an abundant number, since it is smaller than the sum of its proper divisors (410182212528).

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

215232133392 is an equidigital number, since it uses as much as digits as its factorization.

215232133392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66843 (or 66825 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The spelling of 215232133392 in words is "two hundred fifteen billion, two hundred thirty-two million, one hundred thirty-three thousand, three hundred ninety-two".