18975380430 has 32 divisors (see below), whose sum is σ = 45550439424. Its totient is φ = 5059042976.

The previous prime is 18975380429. The next prime is 18975380441. The reversal of 18975380430 is 3408357981.

It is a self number, because there is not a number n which added to its sum of digits gives 18975380430.

It is a congruent number.

It is an unprimeable number.

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, 85339 + ... + 212681.

It is an arithmetic number, because the mean of its divisors is an integer number (1423451232).

Almost surely, 2^18975380430 is an apocalyptic number.

18975380430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18975380430 is an abundant number, since it is smaller than the sum of its proper divisors (26575058994).

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

18975380430 is a wasteful number, since it uses less digits than its factorization.

18975380430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132320.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 18975380430 in words is "eighteen billion, nine hundred seventy-five million, three hundred eighty thousand, four hundred thirty".