102540244332636 has 72 divisors (see below), whose sum is σ = 282768061290624. Its totient is φ = 31072189297440.

The previous prime is 102540244332577. The next prime is 102540244332653. The reversal of 102540244332636 is 636233442045201.

102540244332636 is a `hidden beast` number, since 1 + 0 + 2 + 5 + 4 + 0 + 2 + 4 + 4 + 3 + 3 + 2 + 636 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 102540244332591 and 102540244332600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17785231 + ... + 22834073.

It is an arithmetic number, because the mean of its divisors is an integer number (3927334184592).

Almost surely, 2^{102540244332636} is an apocalyptic number.

It is an amenable number.

102540244332636 is an abundant number, since it is smaller than the sum of its proper divisors (180227816957988).

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

102540244332636 is a wasteful number, since it uses less digits than its factorization.

102540244332636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5100151 (or 5100146 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 45.

Adding to 102540244332636 its reverse (636233442045201), we get a palindrome (738773686377837).

The spelling of 102540244332636 in words is "one hundred two trillion, five hundred forty billion, two hundred forty-four million, three hundred thirty-two thousand, six hundred thirty-six".