540566612520 has 64 divisors (see below), whose sum is σ = 1769127099840. Its totient is φ = 131046451200.

The previous prime is 540566612519. The next prime is 540566612533. The reversal of 540566612520 is 25216665045.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204758761 + ... + 204761400.

It is an arithmetic number, because the mean of its divisors is an integer number (27642610935).

Almost surely, 2^540566612520 is an apocalyptic number.

It is an amenable number.

540566612520 is an abundant number, since it is smaller than the sum of its proper divisors (1228560487320).

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

540566612520 is a wasteful number, since it uses less digits than its factorization.

540566612520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409520186 (or 409520182 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 540566612520 in words is "five hundred forty billion, five hundred sixty-six million, six hundred twelve thousand, five hundred twenty".