44385444 has 36 divisors (see below), whose sum is σ = 118103440. Its totient is φ = 14016240.

The previous prime is 44385431. The next prime is 44385449. The reversal of 44385444 is 44458344.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 44385399 and 44385408.

It is not an unprimeable number, because it can be changed into a prime (44385449) 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, 31762 + ... + 33129.

Almost surely, 2^44385444 is an apocalyptic number.

It is an amenable number.

44385444 is an abundant number, since it is smaller than the sum of its proper divisors (73717996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44385444 is a wasteful number, since it uses less digits than its factorization.

44385444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64920 (or 64915 counting only the distinct ones).

The product of its digits is 122880, while the sum is 36.

The square root of 44385444 is about 6662.2401637888. The cubic root of 44385444 is about 354.0627103305.

Subtracting 44385444 from its reverse (44458344), we obtain a square (72900 = 270²).

The spelling of 44385444 in words is "forty-four million, three hundred eighty-five thousand, four hundred forty-four".