18809096140 has 24 divisors (see below), whose sum is σ = 41822579232. Its totient is φ = 7081071360.

The previous prime is 18809096107. The next prime is 18809096143. The reversal of 18809096140 is 4169090881.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18809096143) 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, 27660096 + ... + 27660775.

It is an arithmetic number, because the mean of its divisors is an integer number (1742607468).

Almost surely, 2^18809096140 is an apocalyptic number.

18809096140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18809096140 is an abundant number, since it is smaller than the sum of its proper divisors (23013483092).

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

18809096140 is a wasteful number, since it uses less digits than its factorization.

18809096140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55320897 (or 55320895 counting only the distinct ones).

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

The spelling of 18809096140 in words is "eighteen billion, eight hundred nine million, ninety-six thousand, one hundred forty".