540032904 has 24 divisors (see below), whose sum is σ = 1462589310. Its totient is φ = 180010944.

The previous prime is 540032881. The next prime is 540032917. The reversal of 540032904 is 409230045.

540032904 is a `hidden beast` number, since 540 + 0 + 32 + 90 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 470976804 + 69056100 = 21702^2 + 8310^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3750157 + ... + 3750300.

Almost surely, 2^540032904 is an apocalyptic number.

It is an amenable number.

540032904 is an abundant number, since it is smaller than the sum of its proper divisors (922556406).

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

540032904 is a wasteful number, since it uses less digits than its factorization.

540032904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500469 (or 7500462 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 540032904 is about 23238.6080478156. The cubic root of 540032904 is about 814.3418244939.

Adding to 540032904 its reverse (409230045), we get a palindrome (949262949).

The spelling of 540032904 in words is "five hundred forty million, thirty-two thousand, nine hundred four".