44228726665 has 32 divisors (see below), whose sum is σ = 54701827200. Its totient is φ = 34316029440.

The previous prime is 44228726609. The next prime is 44228726701. The reversal of 44228726665 is 56662782244.

44228726665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44228726665 - 2¹³ = 44228718473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13729755 + ... + 13732975.

It is an arithmetic number, because the mean of its divisors is an integer number (1709432100).

Almost surely, 2^44228726665 is an apocalyptic number.

It is an amenable number.

44228726665 is a deficient number, since it is larger than the sum of its proper divisors (10473100535).

44228726665 is a wasteful number, since it uses less digits than its factorization.

44228726665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3897.

The product of its digits is 7741440, while the sum is 52.

The spelling of 44228726665 in words is "forty-four billion, two hundred twenty-eight million, seven hundred twenty-six thousand, six hundred sixty-five".