44217642988 has 12 divisors (see below), whose sum is σ = 77384850480. Its totient is φ = 22107685712.

The previous prime is 44217642971. The next prime is 44217643009. The reversal of 44217642988 is 88924671244.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193123 + ... + 354586.

It is an arithmetic number, because the mean of its divisors is an integer number (6448737540).

Almost surely, 2^44217642988 is an apocalyptic number.

It is an amenable number.

44217642988 is a deficient number, since it is larger than the sum of its proper divisors (33167207492).

44217642988 is a wasteful number, since it uses less digits than its factorization.

44217642988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567896 (or 567894 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 55.

The spelling of 44217642988 in words is "forty-four billion, two hundred seventeen million, six hundred forty-two thousand, nine hundred eighty-eight".