26223317540 has 48 divisors (see below), whose sum is σ = 62945164800. Its totient is φ = 8989537152.

The previous prime is 26223317503. The next prime is 26223317563. The reversal of 26223317540 is 4571332262.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 26223317540.

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 15 ways as a sum of consecutive naturals, for example, 1844981 + ... + 1859139.

It is an arithmetic number, because the mean of its divisors is an integer number (1311357600).

Almost surely, 2^26223317540 is an apocalyptic number.

26223317540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26223317540 is an abundant number, since it is smaller than the sum of its proper divisors (36721847260).

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

26223317540 is a wasteful number, since it uses less digits than its factorization.

26223317540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27404 (or 27402 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 26223317540 in words is "twenty-six billion, two hundred twenty-three million, three hundred seventeen thousand, five hundred forty".