102044404555 has 16 divisors (see below), whose sum is σ = 122785527744. Its totient is φ = 81414253440.

The previous prime is 102044404547. The next prime is 102044404571. The reversal of 102044404555 is 555404440201.

It is not a de Polignac number, because 102044404555 - 2³ = 102044404547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102044404555.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3914665 + ... + 3940645.

It is an arithmetic number, because the mean of its divisors is an integer number (7674095484).

Almost surely, 2^102044404555 is an apocalyptic number.

102044404555 is a deficient number, since it is larger than the sum of its proper divisors (20741123189).

102044404555 is a wasteful number, since it uses less digits than its factorization.

102044404555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28086.

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 102044404555 its reverse (555404440201), we get a palindrome (657448844756).

The spelling of 102044404555 in words is "one hundred two billion, forty-four million, four hundred four thousand, five hundred fifty-five".