18300787531340 has 24 divisors (see below), whose sum is σ = 38440462537680. Its totient is φ = 7318637160768.

The previous prime is 18300787531337. The next prime is 18300787531381. The reversal of 18300787531340 is 4313578700381.

It is a super-2 number, since 2×18300787531340² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104776295 + ... + 104950814.

It is an arithmetic number, because the mean of its divisors is an integer number (1601685939070).

Almost surely, 2^{18300787531340} is an apocalyptic number.

18300787531340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18300787531340 is an abundant number, since it is smaller than the sum of its proper divisors (20139675006340).

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

18300787531340 is a wasteful number, since it uses less digits than its factorization.

18300787531340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209731481 (or 209731479 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 18300787531340 in words is "eighteen trillion, three hundred billion, seven hundred eighty-seven million, five hundred thirty-one thousand, three hundred forty".