18204487014 has 32 divisors (see below), whose sum is σ = 41634996480. Its totient is φ = 5198189472.

The previous prime is 18204487003. The next prime is 18204487019. The reversal of 18204487014 is 41078440281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18204487019) 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 15 ways as a sum of consecutive naturals, for example, 56904 + ... + 199115.

It is an arithmetic number, because the mean of its divisors is an integer number (1301093640).

Almost surely, 2^18204487014 is an apocalyptic number.

18204487014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18204487014 is an abundant number, since it is smaller than the sum of its proper divisors (23430509466).

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

18204487014 is a wasteful number, since it uses less digits than its factorization.

18204487014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257724.

The product of its (nonzero) digits is 57344, while the sum is 39.

The spelling of 18204487014 in words is "eighteen billion, two hundred four million, four hundred eighty-seven thousand, fourteen".