44432889 has 32 divisors (see below), whose sum is σ = 64339968. Its totient is φ = 27216000.

The previous prime is 44432873. The next prime is 44432891. The reversal of 44432889 is 98823444.

It is not a de Polignac number, because 44432889 - 2⁴ = 44432873 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44432889.

It is not an unprimeable number, because it can be changed into a prime (44432809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163824 + ... + 164094.

It is an arithmetic number, because the mean of its divisors is an integer number (2010624).

Almost surely, 2^44432889 is an apocalyptic number.

It is an amenable number.

44432889 is a deficient number, since it is larger than the sum of its proper divisors (19907079).

44432889 is a wasteful number, since it uses less digits than its factorization.

44432889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389.

The product of its digits is 221184, while the sum is 42.

The square root of 44432889 is about 6665.7999519938. The cubic root of 44432889 is about 354.1888216698.

It can be divided in two parts, 444 and 32889, that added together give a palindrome (33333).

The spelling of 44432889 in words is "forty-four million, four hundred thirty-two thousand, eight hundred eighty-nine".