18400053086 has 16 divisors (see below), whose sum is σ = 28027759104. Its totient is φ = 9057621144.

The previous prime is 18400053083. The next prime is 18400053101. The reversal of 18400053086 is 68035000481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18400053083) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 206621 + ... + 281943.

It is an arithmetic number, because the mean of its divisors is an integer number (1751734944).

Almost surely, 2^18400053086 is an apocalyptic number.

18400053086 is a deficient number, since it is larger than the sum of its proper divisors (9627706018).

18400053086 is a wasteful number, since it uses less digits than its factorization.

18400053086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77215.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 18400053086 in words is "eighteen billion, four hundred million, fifty-three thousand, eighty-six".