44166305149 has 4 divisors (see below), whose sum is σ = 44579074464. Its totient is φ = 43753535836.

The previous prime is 44166305123. The next prime is 44166305153. The reversal of 44166305149 is 94150366144.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44166305149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44166305179) 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, 206384497 + ... + 206384710.

It is an arithmetic number, because the mean of its divisors is an integer number (11144768616).

Almost surely, 2^44166305149 is an apocalyptic number.

It is an amenable number.

44166305149 is a deficient number, since it is larger than the sum of its proper divisors (412769315).

44166305149 is a wasteful number, since it uses less digits than its factorization.

44166305149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412769314.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 44166305149 in words is "forty-four billion, one hundred sixty-six million, three hundred five thousand, one hundred forty-nine".