540634442555 has 16 divisors (see below), whose sum is σ = 683156138400. Its totient is φ = 409594314240.

The previous prime is 540634442539. The next prime is 540634442587. The reversal of 540634442555 is 555244436045.

It is not a de Polignac number, because 540634442555 - 2⁴ = 540634442539 is a prime.

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, 777710 + ... + 1298499.

It is an arithmetic number, because the mean of its divisors is an integer number (42697258650).

Almost surely, 2^540634442555 is an apocalyptic number.

540634442555 is a deficient number, since it is larger than the sum of its proper divisors (142521695845).

540634442555 is a wasteful number, since it uses less digits than its factorization.

540634442555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078974.

The product of its (nonzero) digits is 5760000, while the sum is 47.

The spelling of 540634442555 in words is "five hundred forty billion, six hundred thirty-four million, four hundred forty-two thousand, five hundred fifty-five".