44474431 has 4 divisors (see below), whose sum is σ = 47090592. Its totient is φ = 41858272.

The previous prime is 44474413. The next prime is 44474449. The reversal of 44474431 is 13447444.

It is a happy number.

44474431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (44474413) and next prime (44474449).

It is a cyclic number.

It is not a de Polignac number, because 44474431 - 2⁷ = 44474303 is a prime.

It is a super-2 number, since 2×44474431² = 3955950025547522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44474393 and 44474402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44474401) 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 in 3 ways as a sum of consecutive naturals, for example, 1308055 + ... + 1308088.

It is an arithmetic number, because the mean of its divisors is an integer number (11772648).

Almost surely, 2^44474431 is an apocalyptic number.

44474431 is a deficient number, since it is larger than the sum of its proper divisors (2616161).

44474431 is a wasteful number, since it uses less digits than its factorization.

44474431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616160.

The product of its digits is 21504, while the sum is 31.

The square root of 44474431 is about 6668.9152791140. The cubic root of 44474431 is about 354.2991688268.

It can be divided in two parts, 4447443 and 1, that added together give a palindrome (4447444).

The spelling of 44474431 in words is "forty-four million, four hundred seventy-four thousand, four hundred thirty-one".