26221502336 has 32 divisors (see below), whose sum is σ = 52245454680. Its totient is φ = 13108917760.

The previous prime is 26221502327. The next prime is 26221502339. The reversal of 26221502336 is 63320512262.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26221502339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1753451 + ... + 1768341.

Almost surely, 2^26221502336 is an apocalyptic number.

It is an amenable number.

26221502336 is a deficient number, since it is larger than the sum of its proper divisors (26023952344).

26221502336 is a wasteful number, since it uses less digits than its factorization.

26221502336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28662 (or 28650 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 26221502336 in words is "twenty-six billion, two hundred twenty-one million, five hundred two thousand, three hundred thirty-six".