44499889 has 12 divisors (see below), whose sum is σ = 52498368. Its totient is φ = 37602600.

The previous prime is 44499853. The next prime is 44499899. The reversal of 44499889 is 98899444.

It is not a de Polignac number, because 44499889 - 2¹¹ = 44497841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44499809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2917 + ... + 9874.

It is an arithmetic number, because the mean of its divisors is an integer number (4374864).

Almost surely, 2^44499889 is an apocalyptic number.

44499889 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

44499889 is a deficient number, since it is larger than the sum of its proper divisors (7998479).

44499889 is a wasteful number, since it uses less digits than its factorization.

44499889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12876 (or 12869 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 55.

The square root of 44499889 is about 6670.8237122562. The cubic root of 44499889 is about 354.3667584325.

The spelling of 44499889 in words is "forty-four million, four hundred ninety-nine thousand, eight hundred eighty-nine".