26122404 has 96 divisors (see below), whose sum is σ = 80510976. Its totient is φ = 6382080.

The previous prime is 26122399. The next prime is 26122423. The reversal of 26122404 is 40422162.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 31 ways as a sum of consecutive naturals, for example, 14877 + ... + 16539.

It is an arithmetic number, because the mean of its divisors is an integer number (838656).

Almost surely, 2^26122404 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 26122404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40255488).

26122404 is an abundant number, since it is smaller than the sum of its proper divisors (54388572).

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

26122404 is a wasteful number, since it uses less digits than its factorization.

26122404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705 (or 1703 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 26122404 is about 5111.0081197353. The cubic root of 26122404 is about 296.7137783757.

Adding to 26122404 its reverse (40422162), we get a palindrome (66544566).

The spelling of 26122404 in words is "twenty-six million, one hundred twenty-two thousand, four hundred four".