26049915 has 24 divisors (see below), whose sum is σ = 47118240. Its totient is φ = 13288704.

The previous prime is 26049913. The next prime is 26049941. The reversal of 26049915 is 51994062.

It is not a de Polignac number, because 26049915 - 2¹ = 26049913 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 26049915.

It is not an unprimeable number, because it can be changed into a prime (26049913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11550 + ... + 13619.

It is an arithmetic number, because the mean of its divisors is an integer number (1963260).

Almost surely, 2^26049915 is an apocalyptic number.

26049915 is a deficient number, since it is larger than the sum of its proper divisors (21068325).

26049915 is a wasteful number, since it uses less digits than its factorization.

26049915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25203 (or 25200 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 26049915 is about 5103.9117351302. The cubic root of 26049915 is about 296.4390664085.

It can be divided in two parts, 2604991 and 5, that added together give a square (2604996 = 1614²).

The spelling of 26049915 in words is "twenty-six million, forty-nine thousand, nine hundred fifteen".