44404489 has 2 divisors, whose sum is σ = 44404490. Its totient is φ = 44404488.

The previous prime is 44404487. The next prime is 44404499. The reversal of 44404489 is 98440444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39476089 + 4928400 = 6283^2 + 2220^2 .

It is a cyclic number.

It is not a de Polignac number, because 44404489 - 2¹ = 44404487 is a prime.

It is a super-2 number, since 2×44404489² = 3943517286702242, which contains 22 as substring.

Together with 44404487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (44404487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22202244 + 22202245.

It is an arithmetic number, because the mean of its divisors is an integer number (22202245).

Almost surely, 2^44404489 is an apocalyptic number.

It is an amenable number.

44404489 is a deficient number, since it is larger than the sum of its proper divisors (1).

44404489 is an equidigital number, since it uses as much as digits as its factorization.

44404489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 44404489 is about 6663.6693345333. The cubic root of 44404489 is about 354.1133437476.

The spelling of 44404489 in words is "forty-four million, four hundred four thousand, four hundred eighty-nine".