44400087 has 12 divisors (see below), whose sum is σ = 64328160. Its totient is φ = 29510208.

The previous prime is 44400049. The next prime is 44400113. The reversal of 44400087 is 78000444.

It is not a de Polignac number, because 44400087 - 2⁶ = 44400023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44400087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44400047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4287 + ... + 10352.

It is an arithmetic number, because the mean of its divisors is an integer number (5360680).

Almost surely, 2^44400087 is an apocalyptic number.

44400087 is a deficient number, since it is larger than the sum of its proper divisors (19928073).

44400087 is a wasteful number, since it uses less digits than its factorization.

44400087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14982 (or 14979 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 44400087 is about 6663.3390278448. The cubic root of 44400087 is about 354.1016417892.

The spelling of 44400087 in words is "forty-four million, four hundred thousand, eighty-seven".