102342019990 has 16 divisors (see below), whose sum is σ = 210532155552. Its totient is φ = 35088692544.

The previous prime is 102342019963. The next prime is 102342019999. The reversal of 102342019990 is 99910243201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102342019999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731014359 + ... + 731014498.

It is an arithmetic number, because the mean of its divisors is an integer number (13158259722).

Almost surely, 2^102342019990 is an apocalyptic number.

102342019990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102342019990 is an abundant number, since it is smaller than the sum of its proper divisors (108190135562).

102342019990 is a wasteful number, since it uses less digits than its factorization.

102342019990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462028871.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 102342019990 in words is "one hundred two billion, three hundred forty-two million, nineteen thousand, nine hundred ninety".