44399166 has 32 divisors (see below), whose sum is σ = 101737728. Its totient is φ = 12653760.

The previous prime is 44399153. The next prime is 44399171. The reversal of 44399166 is 66199344.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19546 + ... + 21698.

It is an arithmetic number, because the mean of its divisors is an integer number (3179304).

Almost surely, 2^44399166 is an apocalyptic number.

44399166 is an abundant number, since it is smaller than the sum of its proper divisors (57338562).

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

44399166 is a wasteful number, since it uses less digits than its factorization.

44399166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656.

The product of its digits is 139968, while the sum is 42.

The square root of 44399166 is about 6663.2699179907. The cubic root of 44399166 is about 354.0991933716.

The spelling of 44399166 in words is "forty-four million, three hundred ninety-nine thousand, one hundred sixty-six".