540256644522 has 72 divisors (see below), whose sum is σ = 1411893621216. Its totient is φ = 146234868912.

The previous prime is 540256644457. The next prime is 540256644539. The reversal of 540256644522 is 225446652045.

540256644522 is a `hidden beast` number, since 5 + 4 + 0 + 25 + 66 + 44 + 522 = 666.

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 35 ways as a sum of consecutive naturals, for example, 5893228 + ... + 5984199.

It is an arithmetic number, because the mean of its divisors is an integer number (19609633628).

Almost surely, 2^540256644522 is an apocalyptic number.

540256644522 is an abundant number, since it is smaller than the sum of its proper divisors (871636976694).

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

540256644522 is a wasteful number, since it uses less digits than its factorization.

540256644522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11877480 (or 11877458 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 45.

The spelling of 540256644522 in words is "five hundred forty billion, two hundred fifty-six million, six hundred forty-four thousand, five hundred twenty-two".