18242454246 has 64 divisors (see below), whose sum is σ = 38679607296. Its totient is φ = 5726649600.

The previous prime is 18242454221. The next prime is 18242454253. The reversal of 18242454246 is 64245424281.

It is a junction number, because it is equal to n+sod(n) for n = 18242454198 and 18242454207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2243380 + ... + 2251496.

It is an arithmetic number, because the mean of its divisors is an integer number (604368864).

Almost surely, 2^18242454246 is an apocalyptic number.

18242454246 is an abundant number, since it is smaller than the sum of its proper divisors (20437153050).

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

18242454246 is a wasteful number, since it uses less digits than its factorization.

18242454246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8477.

The product of its digits is 491520, while the sum is 42.

The spelling of 18242454246 in words is "eighteen billion, two hundred forty-two million, four hundred fifty-four thousand, two hundred forty-six".