18726062848 has 72 divisors (see below), whose sum is σ = 37698031616. Its totient is φ = 9283507200.

The previous prime is 18726062827. The next prime is 18726062867. The reversal of 18726062848 is 84826062781.

It is a happy number.

It is a super-2 number, since 2×18726062848² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18726062795 and 18726062804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18895633 + ... + 18896623.

Almost surely, 2^18726062848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18726062848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18849015808).

18726062848 is an abundant number, since it is smaller than the sum of its proper divisors (18971968768).

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

18726062848 is an equidigital number, since it uses as much as digits as its factorization.

18726062848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561 (or 1547 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 18726062848 in words is "eighteen billion, seven hundred twenty-six million, sixty-two thousand, eight hundred forty-eight".