540813818 has 16 divisors (see below), whose sum is σ = 817638624. Its totient is φ = 268273200.

The previous prime is 540813811. The next prime is 540813829. The reversal of 540813818 is 818318045.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (540813811) 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, 371993 + ... + 373443.

It is an arithmetic number, because the mean of its divisors is an integer number (51102414).

Almost surely, 2^540813818 is an apocalyptic number.

540813818 is a deficient number, since it is larger than the sum of its proper divisors (276824806).

540813818 is a wasteful number, since it uses less digits than its factorization.

540813818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797.

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 540813818 is about 23255.4040601319. The cubic root of 540813818 is about 814.7341614816.

The spelling of 540813818 in words is "five hundred forty million, eight hundred thirteen thousand, eight hundred eighteen".