44665380 has 36 divisors (see below), whose sum is σ = 135485532. Its totient is φ = 11910720.

The previous prime is 44665337. The next prime is 44665393. The reversal of 44665380 is 8356644.

It can be written as a sum of positive squares in 2 ways, for example, as 17791524 + 26873856 = 4218^2 + 5184^2 .

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 an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123891 + ... + 124250.

It is an arithmetic number, because the mean of its divisors is an integer number (3763487).

Almost surely, 2^44665380 is an apocalyptic number.

It is an amenable number.

44665380 is an abundant number, since it is smaller than the sum of its proper divisors (90820152).

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

44665380 is a wasteful number, since it uses less digits than its factorization.

44665380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248156 (or 248151 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 44665380 is about 6683.2162915770. The cubic root of 44665380 is about 354.8055008093.

The spelling of 44665380 in words is "forty-four million, six hundred sixty-five thousand, three hundred eighty".