156233316940 has 24 divisors (see below), whose sum is σ = 330594474672. Its totient is φ = 62016277440.

The previous prime is 156233316929. The next prime is 156233316959. The reversal of 156233316940 is 49613332651.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29812899 + ... + 29818138.

It is an arithmetic number, because the mean of its divisors is an integer number (13774769778).

Almost surely, 2^156233316940 is an apocalyptic number.

156233316940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156233316940 is an abundant number, since it is smaller than the sum of its proper divisors (174361157732).

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

156233316940 is a wasteful number, since it uses less digits than its factorization.

156233316940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59631177 (or 59631175 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 43.

The spelling of 156233316940 in words is "one hundred fifty-six billion, two hundred thirty-three million, three hundred sixteen thousand, nine hundred forty".