540172512 has 72 divisors (see below), whose sum is σ = 1675772280. Its totient is φ = 163687680.

The previous prime is 540172511. The next prime is 540172519. The reversal of 540172512 is 215271045.

540172512 is a `hidden beast` number, since 5 + 401 + 7 + 251 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540172511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82087 + ... + 88422.

It is an arithmetic number, because the mean of its divisors is an integer number (23274615).

Almost surely, 2^540172512 is an apocalyptic number.

It is an amenable number.

540172512 is an abundant number, since it is smaller than the sum of its proper divisors (1135599768).

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

540172512 is a wasteful number, since it uses less digits than its factorization.

540172512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170536 (or 170525 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 540172512 is about 23241.6116480764. The cubic root of 540172512 is about 814.4119923405.

The spelling of 540172512 in words is "five hundred forty million, one hundred seventy-two thousand, five hundred twelve".