540261808 has 40 divisors (see below), whose sum is σ = 1103612400. Its totient is φ = 255504384.

The previous prime is 540261781. The next prime is 540261809. The reversal of 540261808 is 808162045.

It is not an unprimeable number, because it can be changed into a prime (540261809) 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, 281460 + ... + 283372.

It is an arithmetic number, because the mean of its divisors is an integer number (27590310).

Almost surely, 2^540261808 is an apocalyptic number.

It is an amenable number.

540261808 is an abundant number, since it is smaller than the sum of its proper divisors (563350592).

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

540261808 is a wasteful number, since it uses less digits than its factorization.

540261808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869 (or 2863 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 540261808 is about 23243.5326058669. The cubic root of 540261808 is about 814.4568667246.

The spelling of 540261808 in words is "five hundred forty million, two hundred sixty-one thousand, eight hundred eight".