44199431 has 4 divisors (see below), whose sum is σ = 44859192. Its totient is φ = 43539672.

The previous prime is 44199427. The next prime is 44199433. The reversal of 44199431 is 13499144.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44199431 - 2² = 44199427 is a prime.

It is a super-2 number, since 2×44199431² = 3907179401447522, 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 = 44199391 and 44199400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44199433) 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, 329780 + ... + 329913.

It is an arithmetic number, because the mean of its divisors is an integer number (11214798).

Almost surely, 2^44199431 is an apocalyptic number.

44199431 is a deficient number, since it is larger than the sum of its proper divisors (659761).

44199431 is an equidigital number, since it uses as much as digits as its factorization.

44199431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659760.

The product of its digits is 15552, while the sum is 35.

The square root of 44199431 is about 6648.2652624576. The cubic root of 44199431 is about 353.5674091730.

The spelling of 44199431 in words is "forty-four million, one hundred ninety-nine thousand, four hundred thirty-one".