18682445700 has 54 divisors (see below), whose sum is σ = 58559090954. Its totient is φ = 4981985280.

The previous prime is 18682445689. The next prime is 18682445707. The reversal of 18682445700 is 754428681.

18682445700 is a `hidden beast` number, since 18 + 68 + 2 + 4 + 4 + 570 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2663424 + 18679782276 = 1632^2 + 136674^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (18682445707) 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 17 ways as a sum of consecutive naturals, for example, 10378237 + ... + 10380036.

Almost surely, 2^18682445700 is an apocalyptic number.

18682445700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18682445700 is an abundant number, since it is smaller than the sum of its proper divisors (39876645254).

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

18682445700 is a wasteful number, since it uses less digits than its factorization.

18682445700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20758293 (or 20758283 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 18682445700 in words is "eighteen billion, six hundred eighty-two million, four hundred forty-five thousand, seven hundred".