44440040399999 has 16 divisors (see below), whose sum is σ = 45197347184640. Its totient is φ = 43683671196000.

The previous prime is 44440040399987. The next prime is 44440040400029. The reversal of 44440040399999 is 99999304004444.

It is a cyclic number.

It is not a de Polignac number, because 44440040399999 - 2¹² = 44440040395903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44440040399929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637637744 + ... + 637707434.

It is an arithmetic number, because the mean of its divisors is an integer number (2824834199040).

Almost surely, 2^{44440040399999} is an apocalyptic number.

44440040399999 is a deficient number, since it is larger than the sum of its proper divisors (757306784641).

44440040399999 is a wasteful number, since it uses less digits than its factorization.

44440040399999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76262.

The product of its (nonzero) digits is 181398528, while the sum is 68.

The spelling of 44440040399999 in words is "forty-four trillion, four hundred forty billion, forty million, three hundred ninety-nine thousand, nine hundred ninety-nine".