44242220666 has 32 divisors (see below), whose sum is σ = 77410045440. Its totient is φ = 18571996800.

The previous prime is 44242220657. The next prime is 44242220731. The reversal of 44242220666 is 66602224244.

44242220666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 95726 + ... + 312486.

It is an arithmetic number, because the mean of its divisors is an integer number (2419063920).

Almost surely, 2^44242220666 is an apocalyptic number.

44242220666 is a deficient number, since it is larger than the sum of its proper divisors (33167824774).

44242220666 is a wasteful number, since it uses less digits than its factorization.

44242220666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217070.

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 44242220666 in words is "forty-four billion, two hundred forty-two million, two hundred twenty thousand, six hundred sixty-six".