26224049581 has 8 divisors (see below), whose sum is σ = 26602344000. Its totient is φ = 25846003680.

The previous prime is 26224049557. The next prime is 26224049699. The reversal of 26224049581 is 18594042262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26224049581 - 2¹⁵ = 26224016813 is a prime.

It is a super-2 number, since 2×26224049581² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26224049521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155910 + ... + 277048.

It is an arithmetic number, because the mean of its divisors is an integer number (3325293000).

Almost surely, 2^26224049581 is an apocalyptic number.

It is an amenable number.

26224049581 is a deficient number, since it is larger than the sum of its proper divisors (378294419).

26224049581 is a wasteful number, since it uses less digits than its factorization.

26224049581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124259.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 26224049581 in words is "twenty-six billion, two hundred twenty-four million, forty-nine thousand, five hundred eighty-one".