540624673539 has 16 divisors (see below), whose sum is σ = 801353133600. Its totient is φ = 360223987968.

The previous prime is 540624673517. The next prime is 540624673559. The reversal of 540624673539 is 935376426045.

540624673539 is a `hidden beast` number, since 5 + 4 + 0 + 62 + 46 + 7 + 3 + 539 = 666.

It is not a de Polignac number, because 540624673539 - 2⁸ = 540624673283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540624673559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5294634 + ... + 5395775.

It is an arithmetic number, because the mean of its divisors is an integer number (50084570850).

Almost surely, 2^540624673539 is an apocalyptic number.

540624673539 is a deficient number, since it is larger than the sum of its proper divisors (260728460061).

540624673539 is a wasteful number, since it uses less digits than its factorization.

540624673539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10692291 (or 10692285 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 54.

The spelling of 540624673539 in words is "five hundred forty billion, six hundred twenty-four million, six hundred seventy-three thousand, five hundred thirty-nine".