102440102444 has 24 divisors (see below), whose sum is σ = 183952481328. Its totient is φ = 49886466560.

The previous prime is 102440102419. The next prime is 102440102447. The reversal of 102440102444 is 444201044201.

It is not an unprimeable number, because it can be changed into a prime (102440102447) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 429422 + ... + 623925.

It is an arithmetic number, because the mean of its divisors is an integer number (7664686722).

Almost surely, 2^102440102444 is an apocalyptic number.

It is an amenable number.

102440102444 is a deficient number, since it is larger than the sum of its proper divisors (81512378884).

102440102444 is a wasteful number, since it uses less digits than its factorization.

102440102444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053985 (or 1053983 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 102440102444 its reverse (444201044201), we get a palindrome (546641146645).

The spelling of 102440102444 in words is "one hundred two billion, four hundred forty million, one hundred two thousand, four hundred forty-four".