102398041772 has 48 divisors (see below), whose sum is σ = 197207311392.
Its totient is φ = 46230912000.
The previous prime is 102398041763. The next prime is 102398041807. The reversal of 102398041772 is 277140893201.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 873647 + ... + 983897.
It is an arithmetic number, because the mean of its divisors is an integer number (4108485654).
Almost surely, 2102398041772 is an apocalyptic number.
It is an amenable number.
102398041772 is a deficient number, since it is larger than the sum of its proper divisors (94809269620).
102398041772 is a wasteful number, since it uses less digits than its factorization.
102398041772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110658 (or 110656 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 44.
The spelling of 102398041772 in words is "one hundred two billion, three hundred ninety-eight million, forty-one thousand, seven hundred seventy-two".