26264728 has 64 divisors (see below), whose sum is σ = 60963840. Its totient is φ = 10351104.

The previous prime is 26264713. The next prime is 26264731. The reversal of 26264728 is 82746262.

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, 44451 + ... + 45037.

It is an arithmetic number, because the mean of its divisors is an integer number (952560).

Almost surely, 2^26264728 is an apocalyptic number.

26264728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26264728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30481920).

26264728 is an abundant number, since it is smaller than the sum of its proper divisors (34699112).

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

26264728 is a wasteful number, since it uses less digits than its factorization.

26264728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 660 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 26264728 is about 5124.9124870577. The cubic root of 26264728 is about 297.2516695209.

The spelling of 26264728 in words is "twenty-six million, two hundred sixty-four thousand, seven hundred twenty-eight".