44180747018 has 16 divisors (see below), whose sum is σ = 67826139264. Its totient is φ = 21574047840.

The previous prime is 44180746963. The next prime is 44180747021. The reversal of 44180747018 is 81074708144.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44180747018.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459323 + ... + 547118.

It is an arithmetic number, because the mean of its divisors is an integer number (4239133704).

Almost surely, 2^44180747018 is an apocalyptic number.

44180747018 is a deficient number, since it is larger than the sum of its proper divisors (23645392246).

44180747018 is a wasteful number, since it uses less digits than its factorization.

44180747018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006957.

The product of its (nonzero) digits is 200704, while the sum is 44.

The spelling of 44180747018 in words is "forty-four billion, one hundred eighty million, seven hundred forty-seven thousand, eighteen".