26223349440 has 112 divisors (see below), whose sum is σ = 83895102720. Its totient is φ = 6939479040.

The previous prime is 26223349429. The next prime is 26223349457. The reversal of 26223349440 is 4494332262.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21501 + ... + 230019.

Almost surely, 2^26223349440 is an apocalyptic number.

26223349440 is a gapful number since it is divisible by the number (20) 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 26223349440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41947551360).

26223349440 is an abundant number, since it is smaller than the sum of its proper divisors (57671753280).

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

26223349440 is a wasteful number, since it uses less digits than its factorization.

26223349440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208670 (or 208660 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 39.

The spelling of 26223349440 in words is "twenty-six billion, two hundred twenty-three million, three hundred forty-nine thousand, four hundred forty".