540452404 has 12 divisors (see below), whose sum is σ = 951816964. Its totient is φ = 268504704.

The previous prime is 540452401. The next prime is 540452443. The reversal of 540452404 is 404254045.

It can be written as a sum of positive squares in 2 ways, for example, as 205635600 + 334816804 = 14340^2 + 18298^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540452401) 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, 429669 + ... + 430924.

Almost surely, 2^540452404 is an apocalyptic number.

It is an amenable number.

540452404 is a deficient number, since it is larger than the sum of its proper divisors (411364560).

540452404 is a wasteful number, since it uses less digits than its factorization.

540452404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860754 (or 860752 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 540452404 is about 23247.6322235190. The cubic root of 540452404 is about 814.5526313877.

The spelling of 540452404 in words is "five hundred forty million, four hundred fifty-two thousand, four hundred four".