26328015 has 96 divisors (see below), whose sum is σ = 56609280. Its totient is φ = 11052288.

The previous prime is 26328011. The next prime is 26328017. The reversal of 26328015 is 51082362.

It is not a de Polignac number, because 26328015 - 2² = 26328011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26328015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26328011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 317164 + ... + 317246.

It is an arithmetic number, because the mean of its divisors is an integer number (589680).

Almost surely, 2^26328015 is an apocalyptic number.

26328015 is an abundant number, since it is smaller than the sum of its proper divisors (30281265).

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

26328015 is a wasteful number, since it uses less digits than its factorization.

26328015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 26328015 is about 5131.0832189704. The cubic root of 26328015 is about 297.4902287119.

The spelling of 26328015 in words is "twenty-six million, three hundred twenty-eight thousand, fifteen".