44449370172 has 36 divisors (see below), whose sum is σ = 112758006816. Its totient is φ = 14763725760.

The previous prime is 44449370167. The next prime is 44449370177. The reversal of 44449370172 is 27107394444.

44449370172 is a `hidden beast` number, since 4 + 4 + 449 + 37 + 0 + 172 = 666.

It is an interprime number because it is at equal distance from previous prime (44449370167) and next prime (44449370177).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44449370177) 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, 2186868 + ... + 2207099.

It is an arithmetic number, because the mean of its divisors is an integer number (3132166856).

Almost surely, 2^44449370172 is an apocalyptic number.

It is an amenable number.

44449370172 is an abundant number, since it is smaller than the sum of its proper divisors (68308636644).

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

44449370172 is a wasteful number, since it uses less digits than its factorization.

44449370172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394258 (or 4394253 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 44449370172 in words is "forty-four billion, four hundred forty-nine million, three hundred seventy thousand, one hundred seventy-two".