10189940680 has 16 divisors (see below), whose sum is σ = 22927366620. Its totient is φ = 4075976256.

The previous prime is 10189940659. The next prime is 10189940713. The reversal of 10189940680 is 8604998101.

It can be written as a sum of positive squares in 2 ways, for example, as 9749192644 + 440748036 = 98738^2 + 20994^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10189940680.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127374219 + ... + 127374298.

Almost surely, 2^10189940680 is an apocalyptic number.

10189940680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10189940680 is an abundant number, since it is smaller than the sum of its proper divisors (12737425940).

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

10189940680 is a wasteful number, since it uses less digits than its factorization.

10189940680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254748528 (or 254748524 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 46.

The spelling of 10189940680 in words is "ten billion, one hundred eighty-nine million, nine hundred forty thousand, six hundred eighty".