44252989 has 16 divisors (see below), whose sum is σ = 53343360. Its totient is φ = 36213760.

The previous prime is 44252987. The next prime is 44253007. The reversal of 44252989 is 98925244.

It is a happy number.

It is not a de Polignac number, because 44252989 - 2¹ = 44252987 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 (44252983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 844 + ... + 9445.

It is an arithmetic number, because the mean of its divisors is an integer number (3333960).

Almost surely, 2^44252989 is an apocalyptic number.

It is an amenable number.

44252989 is a deficient number, since it is larger than the sum of its proper divisors (9090371).

44252989 is a wasteful number, since it uses less digits than its factorization.

44252989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10340.

The product of its digits is 207360, while the sum is 43.

The square root of 44252989 is about 6652.2920110290. The cubic root of 44252989 is about 353.7101615373.

The spelling of 44252989 in words is "forty-four million, two hundred fifty-two thousand, nine hundred eighty-nine".