18026422412494 has 8 divisors (see below), whose sum is σ = 27040458071088. Its totient is φ = 9012936388800.

The previous prime is 18026422412477. The next prime is 18026422412567. The reversal of 18026422412494 is 49421422462081.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137326722 + ... + 137457925.

It is an arithmetic number, because the mean of its divisors is an integer number (3380057258886).

Almost surely, 2^{18026422412494} is an apocalyptic number.

18026422412494 is a deficient number, since it is larger than the sum of its proper divisors (9014035658594).

18026422412494 is a wasteful number, since it uses less digits than its factorization.

18026422412494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274817450.

The product of its (nonzero) digits is 1769472, while the sum is 49.

The spelling of 18026422412494 in words is "eighteen trillion, twenty-six billion, four hundred twenty-two million, four hundred twelve thousand, four hundred ninety-four".