44166287 has 4 divisors (see below), whose sum is σ = 48181416. Its totient is φ = 40151160.

The previous prime is 44166263. The next prime is 44166319. The reversal of 44166287 is 78266144.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44166287 - 2⁶ = 44166223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44166287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44166487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2007548 + ... + 2007569.

It is an arithmetic number, because the mean of its divisors is an integer number (12045354).

Almost surely, 2^44166287 is an apocalyptic number.

44166287 is a deficient number, since it is larger than the sum of its proper divisors (4015129).

44166287 is a wasteful number, since it uses less digits than its factorization.

44166287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015128.

The product of its digits is 64512, while the sum is 38.

The square root of 44166287 is about 6645.7721146606. The cubic root of 44166287 is about 353.4790100818.

The spelling of 44166287 in words is "forty-four million, one hundred sixty-six thousand, two hundred eighty-seven".