102444201988 has 12 divisors (see below), whose sum is σ = 180067123152. Its totient is φ = 50996452520.

The previous prime is 102444201917. The next prime is 102444201989. The reversal of 102444201988 is 889102444201.

It is not an unprimeable number, because it can be changed into a prime (102444201989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56411098 + ... + 56412913.

It is an arithmetic number, because the mean of its divisors is an integer number (15005593596).

Almost surely, 2^102444201988 is an apocalyptic number.

It is an amenable number.

102444201988 is a deficient number, since it is larger than the sum of its proper divisors (77622921164).

102444201988 is a wasteful number, since it uses less digits than its factorization.

102444201988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112824242 (or 112824240 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The spelling of 102444201988 in words is "one hundred two billion, four hundred forty-four million, two hundred one thousand, nine hundred eighty-eight".