18090190002 has 32 divisors (see below), whose sum is σ = 36320454720. Its totient is φ = 6006749760.

The previous prime is 18090189983. The next prime is 18090190003. The reversal of 18090190002 is 20009109081.

It is not an unprimeable number, because it can be changed into a prime (18090190003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2882524 + ... + 2888792.

It is an arithmetic number, because the mean of its divisors is an integer number (1135014210).

Almost surely, 2^18090190002 is an apocalyptic number.

18090190002 is an abundant number, since it is smaller than the sum of its proper divisors (18230264718).

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

18090190002 is a wasteful number, since it uses less digits than its factorization.

18090190002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8058.

The product of its (nonzero) digits is 1296, while the sum is 30.

Adding to 18090190002 its reverse (20009109081), we get a palindrome (38099299083).

The spelling of 18090190002 in words is "eighteen billion, ninety million, one hundred ninety thousand, two".