44066879991 has 24 divisors (see below), whose sum is σ = 65604769776. Its totient is φ = 28485509760.

The previous prime is 44066879981. The next prime is 44066879999. The reversal of 44066879991 is 19997866044.

It is not a de Polignac number, because 44066879991 - 2⁷ = 44066879863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44066879999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306180 + ... + 426473.

It is an arithmetic number, because the mean of its divisors is an integer number (2733532074).

Almost surely, 2^44066879991 is an apocalyptic number.

44066879991 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

44066879991 is a deficient number, since it is larger than the sum of its proper divisors (21537889785).

44066879991 is a wasteful number, since it uses less digits than its factorization.

44066879991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732863 (or 732860 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 44066879991 in words is "forty-four billion, sixty-six million, eight hundred seventy-nine thousand, nine hundred ninety-one".