40444400399982 has 16 divisors (see below), whose sum is σ = 81196362783360. Its totient is φ = 13430206469432.

The previous prime is 40444400399947. The next prime is 40444400399983. The reversal of 40444400399982 is 28999300444404.

40444400399982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444400399983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12815080932 + ... + 12815084087.

It is an arithmetic number, because the mean of its divisors is an integer number (5074772673960).

Almost surely, 2^{40444400399982} is an apocalyptic number.

40444400399982 is an abundant number, since it is smaller than the sum of its proper divisors (40751962383378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40444400399982 is a wasteful number, since it uses less digits than its factorization.

40444400399982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25630165287.

The product of its (nonzero) digits is 35831808, while the sum is 60.

The spelling of 40444400399982 in words is "forty trillion, four hundred forty-four billion, four hundred million, three hundred ninety-nine thousand, nine hundred eighty-two".