540388807 has 12 divisors (see below), whose sum is σ = 648895296. Its totient is φ = 448247520.

The previous prime is 540388801. The next prime is 540388817. The reversal of 540388807 is 708883045.

It is a happy number.

540388807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-540388807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540388801) 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, 176358 + ... + 179395.

It is an arithmetic number, because the mean of its divisors is an integer number (54074608).

Almost surely, 2^540388807 is an apocalyptic number.

540388807 is a deficient number, since it is larger than the sum of its proper divisors (108506489).

540388807 is a wasteful number, since it uses less digits than its factorization.

540388807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355798 (or 355791 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 540388807 is about 23246.2643665601. The cubic root of 540388807 is about 814.5206796775.

The spelling of 540388807 in words is "five hundred forty million, three hundred eighty-eight thousand, eight hundred seven".