26290528 has 48 divisors (see below), whose sum is σ = 59451840. Its totient is φ = 11318400.

The previous prime is 26290513. The next prime is 26290567. The reversal of 26290528 is 82509262.

It is a junction number, because it is equal to n+sod(n) for n = 26290493 and 26290502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4723 + ... + 8653.

It is an arithmetic number, because the mean of its divisors is an integer number (1238580).

Almost surely, 2^26290528 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 26290528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29725920).

26290528 is an abundant number, since it is smaller than the sum of its proper divisors (33161312).

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

26290528 is a wasteful number, since it uses less digits than its factorization.

26290528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971 (or 3963 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 26290528 is about 5127.4289853688. The cubic root of 26290528 is about 297.3489683686.

The spelling of 26290528 in words is "twenty-six million, two hundred ninety thousand, five hundred twenty-eight".