18941426232 has 16 divisors (see below), whose sum is σ = 47353565640. Its totient is φ = 6313808736.

The previous prime is 18941426191. The next prime is 18941426237. The reversal of 18941426232 is 23262414981.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18941426237) 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 3 ways as a sum of consecutive naturals, for example, 394613023 + ... + 394613070.

Almost surely, 2^18941426232 is an apocalyptic number.

18941426232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18941426232 is an abundant number, since it is smaller than the sum of its proper divisors (28412139408).

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

18941426232 is a wasteful number, since it uses less digits than its factorization.

18941426232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789226102 (or 789226098 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The spelling of 18941426232 in words is "eighteen billion, nine hundred forty-one million, four hundred twenty-six thousand, two hundred thirty-two".