18195840002 has 8 divisors (see below), whose sum is σ = 27502109712. Its totient is φ = 9028470100.

The previous prime is 18195839951. The next prime is 18195840007. The reversal of 18195840002 is 20004859181.

18195840002 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (18195840007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34724624 + ... + 34725147.

It is an arithmetic number, because the mean of its divisors is an integer number (3437763714).

Almost surely, 2^18195840002 is an apocalyptic number.

18195840002 is a deficient number, since it is larger than the sum of its proper divisors (9306269710).

18195840002 is a wasteful number, since it uses less digits than its factorization.

18195840002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69449904.

The product of its (nonzero) digits is 23040, while the sum is 38.

The spelling of 18195840002 in words is "eighteen billion, one hundred ninety-five million, eight hundred forty thousand, two".