4004240431 has 2 divisors, whose sum is σ = 4004240432. Its totient is φ = 4004240430.

The previous prime is 4004240371. The next prime is 4004240467. The reversal of 4004240431 is 1340424004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4004240431 - 2²¹ = 4002143279 is a prime.

It is a super-2 number, since 2×4004240431² = 32067882858510131522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4004240831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2002120215 + 2002120216.

It is an arithmetic number, because the mean of its divisors is an integer number (2002120216).

Almost surely, 2^4004240431 is an apocalyptic number.

4004240431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4004240431 is an equidigital number, since it uses as much as digits as its factorization.

4004240431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4004240431 is about 63279.0678739818. The cubic root of 4004240431 is about 1587.9617925855.

Adding to 4004240431 its reverse (1340424004), we get a palindrome (5344664435).

The spelling of 4004240431 in words is "four billion, four million, two hundred forty thousand, four hundred thirty-one".