44474449 has 2 divisors, whose sum is σ = 44474450. Its totient is φ = 44474448.

The previous prime is 44474413. The next prime is 44474461. The reversal of 44474449 is 94447444.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26708224 + 17766225 = 5168^2 + 4215^2 .

It is a cyclic number.

It is not a de Polignac number, because 44474449 - 2¹¹ = 44472401 is a prime.

It is a super-2 number, since 2×44474449² = 3955953227707202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44475449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22237224 + 22237225.

It is an arithmetic number, because the mean of its divisors is an integer number (22237225).

Almost surely, 2^44474449 is an apocalyptic number.

It is an amenable number.

44474449 is a deficient number, since it is larger than the sum of its proper divisors (1).

44474449 is an equidigital number, since it uses as much as digits as its factorization.

44474449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 40.

The square root of 44474449 is about 6668.9166286587. The cubic root of 44474449 is about 354.2992166250.

The spelling of 44474449 in words is "forty-four million, four hundred seventy-four thousand, four hundred forty-nine".