540692868 has 12 divisors (see below), whose sum is σ = 1261616720. Its totient is φ = 180230952.

The previous prime is 540692863. The next prime is 540692869. The reversal of 540692868 is 868296045.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (540692863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22528858 + ... + 22528881.

Almost surely, 2^540692868 is an apocalyptic number.

It is an amenable number.

540692868 is an abundant number, since it is smaller than the sum of its proper divisors (720923852).

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

540692868 is a wasteful number, since it uses less digits than its factorization.

540692868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45057746 (or 45057744 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 540692868 is about 23252.8034438861. The cubic root of 540692868 is about 814.6734200332.

The spelling of 540692868 in words is "five hundred forty million, six hundred ninety-two thousand, eight hundred sixty-eight".