44444489 has 2 divisors, whose sum is σ = 44444490. Its totient is φ = 44444488.

The previous prime is 44444479. The next prime is 44444503. The reversal of 44444489 is 98444444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43454464 + 990025 = 6592^2 + 995^2 .

It is a cyclic number.

It is not a de Polignac number, because 44444489 - 2⁴ = 44444473 is a prime.

It is a super-2 number, since 2×44444489² = 3950625204942242, which contains 22 as substring.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (44444459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22222244 + 22222245.

It is an arithmetic number, because the mean of its divisors is an integer number (22222245).

Almost surely, 2^44444489 is an apocalyptic number.

It is an amenable number.

44444489 is a deficient number, since it is larger than the sum of its proper divisors (1).

44444489 is an equidigital number, since it uses as much as digits as its factorization.

44444489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 294912, while the sum is 41.

The square root of 44444489 is about 6666.6700083325. The cubic root of 44444489 is about 354.2196414292.

The spelling of 44444489 in words is "forty-four million, four hundred forty-four thousand, four hundred eighty-nine".