18808684428430 has 64 divisors (see below), whose sum is σ = 37578574410048. Its totient is φ = 6733002286080.

The previous prime is 18808684428421. The next prime is 18808684428437. The reversal of 18808684428430 is 3482448680881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18808684428437) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5606272 + ... + 8309491.

It is an arithmetic number, because the mean of its divisors is an integer number (587165225157).

Almost surely, 2^{18808684428430} is an apocalyptic number.

18808684428430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18808684428430 is a deficient number, since it is larger than the sum of its proper divisors (18769889981618).

18808684428430 is a wasteful number, since it uses less digits than its factorization.

18808684428430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13916101.

The product of its (nonzero) digits is 75497472, while the sum is 64.

The spelling of 18808684428430 in words is "eighteen trillion, eight hundred eight billion, six hundred eighty-four million, four hundred twenty-eight thousand, four hundred thirty".