44161642156 has 12 divisors (see below), whose sum is σ = 77286937168. Its totient is φ = 22079660112.

The previous prime is 44161642141. The next prime is 44161642181. The reversal of 44161642156 is 65124616144.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 201651 + ... + 359146.

Almost surely, 2^44161642156 is an apocalyptic number.

It is an amenable number.

44161642156 is a deficient number, since it is larger than the sum of its proper divisors (33125295012).

44161642156 is a wasteful number, since it uses less digits than its factorization.

44161642156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580488 (or 580486 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The spelling of 44161642156 in words is "forty-four billion, one hundred sixty-one million, six hundred forty-two thousand, one hundred fifty-six".