18094204402 has 8 divisors (see below), whose sum is σ = 27148707036. Its totient is φ = 9044635392.

The previous prime is 18094204391. The next prime is 18094204441. The reversal of 18094204402 is 20440249081.

It can be written as a sum of positive squares in 2 ways, for example, as 17429544441 + 664659961 = 132021^2 + 25781^2 .

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, 1224223 + ... + 1238914.

Almost surely, 2^18094204402 is an apocalyptic number.

18094204402 is a deficient number, since it is larger than the sum of its proper divisors (9054502634).

18094204402 is a wasteful number, since it uses less digits than its factorization.

18094204402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466812.

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 18094204402 in words is "eighteen billion, ninety-four million, two hundred four thousand, four hundred two".