178056540844 has 36 divisors (see below), whose sum is σ = 390354729744. Its totient is φ = 70439949216.

The previous prime is 178056540821. The next prime is 178056540869. The reversal of 178056540844 is 448045650871.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 178056540791 and 178056540800.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34937904 + ... + 34942999.

Almost surely, 2^178056540844 is an apocalyptic number.

178056540844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

178056540844 is an abundant number, since it is smaller than the sum of its proper divisors (212298188900).

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

178056540844 is a wasteful number, since it uses less digits than its factorization.

178056540844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69880934 (or 69880925 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 52.

The spelling of 178056540844 in words is "one hundred seventy-eight billion, fifty-six million, five hundred forty thousand, eight hundred forty-four".