504040361 has 16 divisors (see below), whose sum is σ = 594604800. Its totient is φ = 422081280.

The previous prime is 504040357. The next prime is 504040393. The reversal of 504040361 is 163040405.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 504040361 - 2² = 504040357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504040301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19886 + ... + 37463.

It is an arithmetic number, because the mean of its divisors is an integer number (37162800).

Almost surely, 2^504040361 is an apocalyptic number.

It is an amenable number.

504040361 is a deficient number, since it is larger than the sum of its proper divisors (90564439).

504040361 is a wasteful number, since it uses less digits than its factorization.

504040361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57424.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 504040361 is about 22450.8432135633. The cubic root of 504040361 is about 795.8326842302.

Adding to 504040361 its reverse (163040405), we get a palindrome (667080766).

The spelling of 504040361 in words is "five hundred four million, forty thousand, three hundred sixty-one".