26342556 has 48 divisors (see below), whose sum is σ = 64713600. Its totient is φ = 8327872.

The previous prime is 26342551. The next prime is 26342573. The reversal of 26342556 is 65524362.

It is a super-2 number, since 2×26342556² = 1387860513226272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26342551) by changing a digit.

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, 19891 + ... + 21173.

It is an arithmetic number, because the mean of its divisors is an integer number (1348200).

Almost surely, 2^26342556 is an apocalyptic number.

It is a pronic number, being equal to 5132×5133.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26342556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32356800).

26342556 is an abundant number, since it is smaller than the sum of its proper divisors (38371044).

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

26342556 is a wasteful number, since it uses less digits than its factorization.

26342556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378 (or 1376 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 26342556 is about 5132.4999756454. The cubic root of 26342556 is about 297.5449867238.

The spelling of 26342556 in words is "twenty-six million, three hundred forty-two thousand, five hundred fifty-six".