18826414860 has 192 divisors, whose sum is σ = 60718533120. Its totient is φ = 4310507520.

The previous prime is 18826414813. The next prime is 18826414861. The reversal of 18826414860 is 6841462881.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18826414861) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4424494 + ... + 4428746.

It is an arithmetic number, because the mean of its divisors is an integer number (316242360).

Almost surely, 2^18826414860 is an apocalyptic number.

18826414860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18826414860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30359266560).

18826414860 is an abundant number, since it is smaller than the sum of its proper divisors (41892118260).

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

18826414860 is a wasteful number, since it uses less digits than its factorization.

18826414860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4648 (or 4646 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 48.

The spelling of 18826414860 in words is "eighteen billion, eight hundred twenty-six million, four hundred fourteen thousand, eight hundred sixty".