102404431242 has 96 divisors (see below), whose sum is σ = 229833676800. Its totient is φ = 32934104064.

The previous prime is 102404431189. The next prime is 102404431277. The reversal of 102404431242 is 242134404201.

102404431242 is a `hidden beast` number, since 10 + 2 + 404 + 4 + 3 + 1 + 242 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22072359 + ... + 22076997.

It is an arithmetic number, because the mean of its divisors is an integer number (2394100800).

Almost surely, 2^102404431242 is an apocalyptic number.

102404431242 is an abundant number, since it is smaller than the sum of its proper divisors (127429245558).

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

102404431242 is a wasteful number, since it uses less digits than its factorization.

102404431242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060 (or 5057 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 102404431242 its reverse (242134404201), we get a palindrome (344538835443).

The spelling of 102404431242 in words is "one hundred two billion, four hundred four million, four hundred thirty-one thousand, two hundred forty-two".