156777704940 has 48 divisors (see below), whose sum is σ = 439000033248. Its totient is φ = 41805249024.

The previous prime is 156777704933. The next prime is 156777704959. The reversal of 156777704940 is 49407777651.

156777704940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1371424 + ... + 1481336.

It is an arithmetic number, because the mean of its divisors is an integer number (9145834026).

Almost surely, 2^156777704940 is an apocalyptic number.

156777704940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156777704940 is an abundant number, since it is smaller than the sum of its proper divisors (282222328308).

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

156777704940 is a wasteful number, since it uses less digits than its factorization.

156777704940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133698 (or 133696 counting only the distinct ones).

The product of its (nonzero) digits is 10372320, while the sum is 57.

The spelling of 156777704940 in words is "one hundred fifty-six billion, seven hundred seventy-seven million, seven hundred four thousand, nine hundred forty".