540566625540 has 24 divisors (see below), whose sum is σ = 1513586551680. Its totient is φ = 144151100128.

The previous prime is 540566625517. The next prime is 540566625569. The reversal of 540566625540 is 45526665045.

It is a self number, because there is not a number n which added to its sum of digits gives 540566625540.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4504721820 + ... + 4504721939.

It is an arithmetic number, because the mean of its divisors is an integer number (63066106320).

Almost surely, 2^540566625540 is an apocalyptic number.

It is an amenable number.

540566625540 is an abundant number, since it is smaller than the sum of its proper divisors (973019926140).

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

540566625540 is a wasteful number, since it uses less digits than its factorization.

540566625540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9009443771 (or 9009443769 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 540566625540 in words is "five hundred forty billion, five hundred sixty-six million, six hundred twenty-five thousand, five hundred forty".