4442042431 has 2 divisors, whose sum is σ = 4442042432. Its totient is φ = 4442042430.

The previous prime is 4442042399. The next prime is 4442042443. The reversal of 4442042431 is 1342402444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4442042431 - 2⁵ = 4442042399 is a prime.

It is a super-2 number, since 2×4442042431² = 39463481917608779522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4442042431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4442042531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221021215 + 2221021216.

It is an arithmetic number, because the mean of its divisors is an integer number (2221021216).

Almost surely, 2^4442042431 is an apocalyptic number.

4442042431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4442042431 is an equidigital number, since it uses as much as digits as its factorization.

4442042431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 4442042431 is about 66648.6491310964. The cubic root of 4442042431 is about 1643.8451357834.

Adding to 4442042431 its reverse (1342402444), we get a palindrome (5784444875).

The spelling of 4442042431 in words is "four billion, four hundred forty-two million, forty-two thousand, four hundred thirty-one".