44400003663 has 16 divisors (see below), whose sum is σ = 62093629440. Its totient is φ = 28187233056.

The previous prime is 44400003653. The next prime is 44400003667. The reversal of 44400003663 is 36630000444.

44400003663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44400003663 - 2⁵ = 44400003631 is a prime.

44400003663 is a modest number, since divided by 3663 gives 444 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 44400003663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44400003667) 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, 4250103 + ... + 4260536.

It is an arithmetic number, because the mean of its divisors is an integer number (3880851840).

Almost surely, 2^44400003663 is an apocalyptic number.

44400003663 is a deficient number, since it is larger than the sum of its proper divisors (17693625777).

44400003663 is a wasteful number, since it uses less digits than its factorization.

44400003663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8510726.

The product of its (nonzero) digits is 20736, while the sum is 30.

The spelling of 44400003663 in words is "forty-four billion, four hundred million, three thousand, six hundred sixty-three".