18090141802 has 8 divisors (see below), whose sum is σ = 27215733636. Its totient is φ = 9018230592.

The previous prime is 18090141749. The next prime is 18090141821. The reversal of 18090141802 is 20814109081.

It can be written as a sum of positive squares in 2 ways, for example, as 18089981001 + 160801 = 134499^2 + 401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13419313 + ... + 13420660.

Almost surely, 2^18090141802 is an apocalyptic number.

18090141802 is a deficient number, since it is larger than the sum of its proper divisors (9125591834).

18090141802 is a wasteful number, since it uses less digits than its factorization.

18090141802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26840312.

The product of its (nonzero) digits is 4608, while the sum is 34.

The spelling of 18090141802 in words is "eighteen billion, ninety million, one hundred forty-one thousand, eight hundred two".