44959651617018 has 16 divisors (see below), whose sum is σ = 89942677156800. Its totient is φ = 14982654885216.

The previous prime is 44959651617011. The next prime is 44959651617059. The reversal of 44959651617018 is 81071615695944.

44959651617018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 44959651617018.

It is not an unprimeable number, because it can be changed into a prime (44959651617011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973888443 + ... + 973934606.

It is an arithmetic number, because the mean of its divisors is an integer number (5621417322300).

Almost surely, 2^{44959651617018} is an apocalyptic number.

44959651617018 is an abundant number, since it is smaller than the sum of its proper divisors (44983025539782).

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

44959651617018 is a wasteful number, since it uses less digits than its factorization.

44959651617018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947826901.

The product of its (nonzero) digits is 65318400, while the sum is 66.

The spelling of 44959651617018 in words is "forty-four trillion, nine hundred fifty-nine billion, six hundred fifty-one million, six hundred seventeen thousand, eighteen".