44444413 has 10 divisors (see below), whose sum is σ = 49002814. Its totient is φ = 40071528.

The previous prime is 44444399. The next prime is 44444453. The reversal of 44444413 is 31444444.

It can be written as a sum of positive squares in only one way, i.e., 30769209 + 13675204 = 5547^2 + 3698^2 .

It is not a de Polignac number, because 44444413 - 2⁵ = 44444381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44444453) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1033570 + ... + 1033612.

Almost surely, 2^44444413 is an apocalyptic number.

44444413 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

44444413 is a deficient number, since it is larger than the sum of its proper divisors (4558401).

44444413 is an frugal number, since it uses more digits than its factorization.

44444413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 56 counting only the distinct ones).

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

The square root of 44444413 is about 6666.6643083329. The cubic root of 44444413 is about 354.2194395241.

Adding to 44444413 its reverse (31444444), we get a palindrome (75888857).

It can be divided in two parts, 4444441 and 3, that added together give a palindrome (4444444).

The spelling of 44444413 in words is "forty-four million, four hundred forty-four thousand, four hundred thirteen".