18240882002 has 30 divisors (see below), whose sum is σ = 31936030053. Its totient is φ = 7813509816.

The previous prime is 18240881983. The next prime is 18240882043. The reversal of 18240882002 is 20028804281.

It can be written as a sum of positive squares in 2 ways, for example, as 16343321281 + 1897560721 = 127841^2 + 43561^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=95501.

It is a Duffinian 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 14 ways as a sum of consecutive naturals, for example, 9358124 + ... + 9360072.

Almost surely, 2^18240882002 is an apocalyptic number.

18240882002 is a deficient number, since it is larger than the sum of its proper divisors (13695148051).

18240882002 is an frugal number, since it uses more digits than its factorization.

18240882002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928 (or 1958 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 35.

The spelling of 18240882002 in words is "eighteen billion, two hundred forty million, eight hundred eighty-two thousand, two".