44318878162991 has 16 divisors (see below), whose sum is σ = 46707584076288. Its totient is φ = 41968725876000.

The previous prime is 44318878162981. The next prime is 44318878162997. The reversal of 44318878162991 is 19926187881344.

It is a happy number.

It is not a de Polignac number, because 44318878162991 - 2⁴² = 39920831651887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44318878162997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27097796 + ... + 28686726.

It is an arithmetic number, because the mean of its divisors is an integer number (2919224004768).

Almost surely, 2^{44318878162991} is an apocalyptic number.

44318878162991 is a deficient number, since it is larger than the sum of its proper divisors (2388705913297).

44318878162991 is a wasteful number, since it uses less digits than its factorization.

44318878162991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601062.

The product of its digits is 167215104, while the sum is 71.

The spelling of 44318878162991 in words is "forty-four trillion, three hundred eighteen billion, eight hundred seventy-eight million, one hundred sixty-two thousand, nine hundred ninety-one".