26426504 has 32 divisors (see below), whose sum is σ = 53901120. Its totient is φ = 12073536.

The previous prime is 26426501. The next prime is 26426567. The reversal of 26426504 is 40562462.

It is a super-2 number, since 2×26426504² = 1396720227324032, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (26426501) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9479 + ... + 11945.

It is an arithmetic number, because the mean of its divisors is an integer number (1684410).

Almost surely, 2^26426504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26426504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26950560).

26426504 is an abundant number, since it is smaller than the sum of its proper divisors (27474616).

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

26426504 is a wasteful number, since it uses less digits than its factorization.

26426504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589 (or 2585 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 26426504 is about 5140.6715514610. The cubic root of 26426504 is about 297.8607219666.

Adding to 26426504 its reverse (40562462), we get a palindrome (66988966).

The spelling of 26426504 in words is "twenty-six million, four hundred twenty-six thousand, five hundred four".