44909388 has 36 divisors (see below), whose sum is σ = 119497560. Its totient is φ = 14181696.

The previous prime is 44909387. The next prime is 44909401. The reversal of 44909388 is 88390944.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (44909383) 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, 32145 + ... + 33512.

Almost surely, 2^44909388 is an apocalyptic number.

It is an amenable number.

44909388 is an abundant number, since it is smaller than the sum of its proper divisors (74588172).

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

44909388 is a wasteful number, since it uses less digits than its factorization.

44909388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65686 (or 65681 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 44909388 is about 6701.4467094800. The cubic root of 44909388 is about 355.4504313495.

The spelling of 44909388 in words is "forty-four million, nine hundred nine thousand, three hundred eighty-eight".