44350163138 has 6 divisors (see below), whose sum is σ = 66525691449. Its totient is φ = 22174932656.

The previous prime is 44350163119. The next prime is 44350163161. The reversal of 44350163138 is 83136105344.

It can be written as a sum of positive squares in 2 ways, for example, as 41999173969 + 2350989169 = 204937^2 + 48487^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=148913.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 223370 + ... + 372282.

Almost surely, 2^44350163138 is an apocalyptic number.

44350163138 is a deficient number, since it is larger than the sum of its proper divisors (22175528311).

44350163138 is an frugal number, since it uses more digits than its factorization.

44350163138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297828 (or 148915 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 44350163138 in words is "forty-four billion, three hundred fifty million, one hundred sixty-three thousand, one hundred thirty-eight".