540712404 has 36 divisors (see below), whose sum is σ = 1447202484. Its totient is φ = 169635072.

The previous prime is 540712391. The next prime is 540712423. The reversal of 540712404 is 404217045.

It can be written as a sum of positive squares in 2 ways, for example, as 241491600 + 299220804 = 15540^2 + 17298^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 441147 + ... + 442370.

It is an arithmetic number, because the mean of its divisors is an integer number (40200069).

Almost surely, 2^540712404 is an apocalyptic number.

It is an amenable number.

540712404 is an abundant number, since it is smaller than the sum of its proper divisors (906490080).

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

540712404 is a wasteful number, since it uses less digits than its factorization.

540712404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883544 (or 883539 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 540712404 is about 23253.2235184716. The cubic root of 540712404 is about 814.6832316836.

Adding to 540712404 its reverse (404217045), we get a palindrome (944929449).

The spelling of 540712404 in words is "five hundred forty million, seven hundred twelve thousand, four hundred four".