504004040290 has 8 divisors (see below), whose sum is σ = 907207272540. Its totient is φ = 201601616112.

The previous prime is 504004040273. The next prime is 504004040291. The reversal of 504004040290 is 92040400405.

It can be written as a sum of positive squares in 2 ways, for example, as 495761034609 + 8243005681 = 704103^2 + 90791^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (504004040291) 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, 25200202005 + ... + 25200202024.

Almost surely, 2^504004040290 is an apocalyptic number.

504004040290 is a deficient number, since it is larger than the sum of its proper divisors (403203232250).

504004040290 is a wasteful number, since it uses less digits than its factorization.

504004040290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50400404036.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 504004040290 its reverse (92040400405), we get a palindrome (596044440695).

The spelling of 504004040290 in words is "five hundred four billion, four million, forty thousand, two hundred ninety".