540246404 has 6 divisors (see below), whose sum is σ = 945431214. Its totient is φ = 270123200.

The previous prime is 540246403. The next prime is 540246409. The reversal of 540246404 is 404642045.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 345588100 + 194658304 = 18590^2 + 13952^2 .

It is not an unprimeable number, because it can be changed into a prime (540246403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67530797 + ... + 67530804.

It is an arithmetic number, because the mean of its divisors is an integer number (157571869).

Almost surely, 2^540246404 is an apocalyptic number.

It is an amenable number.

540246404 is a deficient number, since it is larger than the sum of its proper divisors (405184810).

540246404 is a wasteful number, since it uses less digits than its factorization.

540246404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135061605 (or 135061603 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 540246404 is about 23243.2012425139. The cubic root of 540246404 is about 814.4491260252.

Adding to 540246404 its reverse (404642045), we get a palindrome (944888449).

The spelling of 540246404 in words is "five hundred forty million, two hundred forty-six thousand, four hundred four".