540006644634 has 16 divisors (see below), whose sum is σ = 1083276173280. Its totient is φ = 179458400880.

The previous prime is 540006644633. The next prime is 540006644657. The reversal of 540006644634 is 436446600045.

It is not an unprimeable number, because it can be changed into a prime (540006644633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135951349 + ... + 135955320.

It is an arithmetic number, because the mean of its divisors is an integer number (67704760830).

Almost surely, 2^540006644634 is an apocalyptic number.

540006644634 is an abundant number, since it is smaller than the sum of its proper divisors (543269528646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540006644634 is a wasteful number, since it uses less digits than its factorization.

540006644634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271907005.

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 540006644634 in words is "five hundred forty billion, six million, six hundred forty-four thousand, six hundred thirty-four".