44068558418 has 4 divisors (see below), whose sum is σ = 66102837630. Its totient is φ = 22034279208.

The previous prime is 44068558399. The next prime is 44068558423. The reversal of 44068558418 is 81485586044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42360637489 + 1707920929 = 205817^2 + 41327^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 44068558418.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11017139603 + ... + 11017139606.

Almost surely, 2^44068558418 is an apocalyptic number.

44068558418 is a deficient number, since it is larger than the sum of its proper divisors (22034279212).

44068558418 is a wasteful number, since it uses less digits than its factorization.

44068558418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22034279211.

The product of its (nonzero) digits is 4915200, while the sum is 53.

The spelling of 44068558418 in words is "forty-four billion, sixty-eight million, five hundred fifty-eight thousand, four hundred eighteen".