102404404242 has 24 divisors (see below), whose sum is σ = 253572810816. Its totient is φ = 29258401176.

The previous prime is 102404404241. The next prime is 102404404247. The reversal of 102404404242 is 242404404201.

102404404242 is a `hidden beast` number, since 10 + 2 + 4 + 0 + 4 + 404 + 242 = 666.

It is not an unprimeable number, because it can be changed into a prime (102404404241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406366558 + ... + 406366809.

It is an arithmetic number, because the mean of its divisors is an integer number (10565533784).

Almost surely, 2^102404404242 is an apocalyptic number.

102404404242 is an abundant number, since it is smaller than the sum of its proper divisors (151168406574).

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

102404404242 is a wasteful number, since it uses less digits than its factorization.

102404404242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812733382 (or 812733379 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 102404404242 its reverse (242404404201), we get a palindrome (344808808443).

The spelling of 102404404242 in words is "one hundred two billion, four hundred four million, four hundred four thousand, two hundred forty-two".