102289195044 has 36 divisors (see below), whose sum is σ = 264065727744. Its totient is φ = 33370942512.

The previous prime is 102289195037. The next prime is 102289195087. The reversal of 102289195044 is 440591982201.

It is a happy number.

102289195044 is a `hidden beast` number, since 102 + 28 + 9 + 19 + 504 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30225612 + ... + 30228995.

It is an arithmetic number, because the mean of its divisors is an integer number (7335159104).

Almost surely, 2^102289195044 is an apocalyptic number.

It is an amenable number.

102289195044 is an abundant number, since it is smaller than the sum of its proper divisors (161776532700).

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

102289195044 is a wasteful number, since it uses less digits than its factorization.

102289195044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60454664 (or 60454659 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 102289195044 in words is "one hundred two billion, two hundred eighty-nine million, one hundred ninety-five thousand, forty-four".