18380485300 has 18 divisors (see below), whose sum is σ = 39885653318. Its totient is φ = 7352194080.

The previous prime is 18380485261. The next prime is 18380485307. The reversal of 18380485300 is 358408381.

It can be written as a sum of positive squares in 3 ways, for example, as 232623504 + 18147861796 = 15252^2 + 134714^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18380485307) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 91902327 + ... + 91902526.

Almost surely, 2^18380485300 is an apocalyptic number.

18380485300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18380485300 is an abundant number, since it is smaller than the sum of its proper divisors (21505168018).

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

18380485300 is a wasteful number, since it uses less digits than its factorization.

18380485300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183804867 (or 183804860 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 18380485300 in words is "eighteen billion, three hundred eighty million, four hundred eighty-five thousand, three hundred".