540406819179 has 32 divisors (see below), whose sum is σ = 803055340800. Its totient is φ = 359168846400.

The previous prime is 540406819109. The next prime is 540406819181. The reversal of 540406819179 is 971918604045.

540406819179 is a `hidden beast` number, since 5 + 4 + 0 + 406 + 81 + 91 + 79 = 666.

It is not a de Polignac number, because 540406819179 - 2⁸ = 540406818923 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (540406819109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15400204 + ... + 15435254.

It is an arithmetic number, because the mean of its divisors is an integer number (25095479400).

Almost surely, 2^540406819179 is an apocalyptic number.

540406819179 is a deficient number, since it is larger than the sum of its proper divisors (262648521621).

540406819179 is a wasteful number, since it uses less digits than its factorization.

540406819179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36792 (or 36786 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 540406819179 in words is "five hundred forty billion, four hundred six million, eight hundred nineteen thousand, one hundred seventy-nine".