44142604665745 has 16 divisors (see below), whose sum is σ = 53173957432320. Its totient is φ = 35178898622400.

The previous prime is 44142604665641. The next prime is 44142604665779. The reversal of 44142604665745 is 54756640624144.

It is not a de Polignac number, because 44142604665745 - 2³¹ = 44140457182097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44142604665745.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7542040 + ... + 12048550.

It is an arithmetic number, because the mean of its divisors is an integer number (3323372339520).

Almost surely, 2^{44142604665745} is an apocalyptic number.

It is an amenable number.

44142604665745 is a deficient number, since it is larger than the sum of its proper divisors (9031352766575).

44142604665745 is a wasteful number, since it uses less digits than its factorization.

44142604665745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514016.

The product of its (nonzero) digits is 77414400, while the sum is 58.

The spelling of 44142604665745 in words is "forty-four trillion, one hundred forty-two billion, six hundred four million, six hundred sixty-five thousand, seven hundred forty-five".