540344425905 has 32 divisors (see below), whose sum is σ = 962617881600. Its totient is φ = 287582023296.

The previous prime is 540344425883. The next prime is 540344425921. The reversal of 540344425905 is 509524443045.

540344425905 is a `hidden beast` number, since 54 + 0 + 3 + 4 + 4 + 4 + 2 + 590 + 5 = 666.

It is not a de Polignac number, because 540344425905 - 2²⁴ = 540327648689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4113364 + ... + 4242693.

It is an arithmetic number, because the mean of its divisors is an integer number (30081808800).

Almost surely, 2^540344425905 is an apocalyptic number.

It is an amenable number.

540344425905 is a deficient number, since it is larger than the sum of its proper divisors (422273455695).

540344425905 is a wasteful number, since it uses less digits than its factorization.

540344425905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8356550 (or 8356544 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 540344425905 in words is "five hundred forty billion, three hundred forty-four million, four hundred twenty-five thousand, nine hundred five".