44157893608 has 16 divisors (see below), whose sum is σ = 85033782180. Its totient is φ = 21482218368.

The previous prime is 44157893587. The next prime is 44157893617. The reversal of 44157893608 is 80639875144.

It can be written as a sum of positive squares in 2 ways, for example, as 43855898724 + 301994884 = 209418^2 + 17378^2 .

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 3 ways as a sum of consecutive naturals, for example, 74590741 + ... + 74591332.

Almost surely, 2^44157893608 is an apocalyptic number.

It is an amenable number.

44157893608 is a deficient number, since it is larger than the sum of its proper divisors (40875888572).

44157893608 is a wasteful number, since it uses less digits than its factorization.

44157893608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149182116 (or 149182112 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

It can be divided in two parts, 44157 and 893608, that added together give a triangular number (937765 = T₁₃₆₉).

The spelling of 44157893608 in words is "forty-four billion, one hundred fifty-seven million, eight hundred ninety-three thousand, six hundred eight".