18392680026 has 96 divisors (see below), whose sum is σ = 46252926720. Its totient is φ = 5173797888.

The previous prime is 18392680013. The next prime is 18392680037. The reversal of 18392680026 is 62008629381.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2403915 + ... + 2411553.

It is an arithmetic number, because the mean of its divisors is an integer number (481801320).

Almost surely, 2^18392680026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18392680026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23126463360).

18392680026 is an abundant number, since it is smaller than the sum of its proper divisors (27860246694).

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

18392680026 is a wasteful number, since it uses less digits than its factorization.

18392680026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7948 (or 7945 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 18392680026 in words is "eighteen billion, three hundred ninety-two million, six hundred eighty thousand, twenty-six".