540140644855 has 16 divisors (see below), whose sum is σ = 740814971904. Its totient is φ = 370356827040.

The previous prime is 540140644843. The next prime is 540140644871. The reversal of 540140644855 is 558446041045.

It is not a de Polignac number, because 540140644855 - 2¹¹ = 540140642807 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1197 + ... + 1039366.

It is an arithmetic number, because the mean of its divisors is an integer number (46300935744).

Almost surely, 2^540140644855 is an apocalyptic number.

540140644855 is a deficient number, since it is larger than the sum of its proper divisors (200674327049).

540140644855 is a wasteful number, since it uses less digits than its factorization.

540140644855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055406.

The product of its (nonzero) digits is 1536000, while the sum is 46.

The spelling of 540140644855 in words is "five hundred forty billion, one hundred forty million, six hundred forty-four thousand, eight hundred fifty-five".