102402044104 has 16 divisors (see below), whose sum is σ = 192274652700. Its totient is φ = 51128803392.

The previous prime is 102402044077. The next prime is 102402044177. The reversal of 102402044104 is 401440204201.

It can be written as a sum of positive squares in 2 ways, for example, as 94919448100 + 7482596004 = 308090^2 + 86502^2 .

It is a super-2 number, since 2×102402044104² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9021307 + ... + 9032650.

Almost surely, 2^102402044104 is an apocalyptic number.

It is an amenable number.

102402044104 is a deficient number, since it is larger than the sum of its proper divisors (89872608596).

102402044104 is a wasteful number, since it uses less digits than its factorization.

102402044104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18054672 (or 18054668 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 102402044104 its reverse (401440204201), we get a palindrome (503842248305).

The spelling of 102402044104 in words is "one hundred two billion, four hundred two million, forty-four thousand, one hundred four".