540488787 has 4 divisors (see below), whose sum is σ = 720651720. Its totient is φ = 360325856.

The previous prime is 540488783. The next prime is 540488789. The reversal of 540488787 is 787884045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 540488787 - 2² = 540488783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540488783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90081462 + ... + 90081467.

It is an arithmetic number, because the mean of its divisors is an integer number (180162930).

Almost surely, 2^540488787 is an apocalyptic number.

540488787 is a deficient number, since it is larger than the sum of its proper divisors (180162933).

540488787 is a wasteful number, since it uses less digits than its factorization.

540488787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180162932.

The product of its (nonzero) digits is 2007040, while the sum is 51.

The square root of 540488787 is about 23248.4147201481. The cubic root of 540488787 is about 814.5709094101.

It can be divided in two parts, 54048 and 8787, that added together give a triangular number (62835 = T₃₅₄).

The spelling of 540488787 in words is "five hundred forty million, four hundred eighty-eight thousand, seven hundred eighty-seven".