540066520 has 32 divisors (see below), whose sum is σ = 1388743200. Its totient is φ = 185165568.

The previous prime is 540066517. The next prime is 540066521. The reversal of 540066520 is 25660045.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540066521) 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, 964125 + ... + 964684.

It is an arithmetic number, because the mean of its divisors is an integer number (43398225).

Almost surely, 2^540066520 is an apocalyptic number.

It is an amenable number.

540066520 is an abundant number, since it is smaller than the sum of its proper divisors (848676680).

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

540066520 is a wasteful number, since it uses less digits than its factorization.

540066520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928827 (or 1928823 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 540066520 is about 23239.3313156812. The cubic root of 540066520 is about 814.3587212092.

The spelling of 540066520 in words is "five hundred forty million, sixty-six thousand, five hundred twenty".