26426004 has 48 divisors (see below), whose sum is σ = 67931136. Its totient is φ = 7928800.

The previous prime is 26425967. The next prime is 26426021. The reversal of 26426004 is 40062462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13189 + ... + 15059.

It is an arithmetic number, because the mean of its divisors is an integer number (1415232).

Almost surely, 2^26426004 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 26426004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33965568).

26426004 is an abundant number, since it is smaller than the sum of its proper divisors (41505132).

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

26426004 is a wasteful number, since it uses less digits than its factorization.

26426004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996 (or 1994 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 26426004 is about 5140.6229194525. The cubic root of 26426004 is about 297.8588434068.

Adding to 26426004 its reverse (40062462), we get a palindrome (66488466).

It can be divided in two parts, 2642 and 6004, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 26426004 in words is "twenty-six million, four hundred twenty-six thousand, four".