4044012431 has 4 divisors (see below), whose sum is σ = 4044150000. Its totient is φ = 4043874864.

The previous prime is 4044012407. The next prime is 4044012433. The reversal of 4044012431 is 1342104404.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4044012431 - 2⁶ = 4044012367 is a prime.

It is a super-2 number, since 2×4044012431² = 32708073084165059522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4044012397 and 4044012406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044012433) 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, 4931 + ... + 90068.

It is an arithmetic number, because the mean of its divisors is an integer number (1011037500).

Almost surely, 2^4044012431 is an apocalyptic number.

4044012431 is a deficient number, since it is larger than the sum of its proper divisors (137569).

4044012431 is an equidigital number, since it uses as much as digits as its factorization.

4044012431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137568.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4044012431 is about 63592.5501218500. The cubic root of 4044012431 is about 1593.2019427037.

Adding to 4044012431 its reverse (1342104404), we get a palindrome (5386116835).

The spelling of 4044012431 in words is "four billion, forty-four million, twelve thousand, four hundred thirty-one".