26285290 has 16 divisors (see below), whose sum is σ = 47443968. Its totient is φ = 10485136.

The previous prime is 26285279. The next prime is 26285293. The reversal of 26285290 is 9258262.

It is not an unprimeable number, because it can be changed into a prime (26285293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399 + ... + 7261.

It is an arithmetic number, because the mean of its divisors is an integer number (2965248).

Almost surely, 2^26285290 is an apocalyptic number.

26285290 is a deficient number, since it is larger than the sum of its proper divisors (21158678).

26285290 is a wasteful number, since it uses less digits than its factorization.

26285290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7253.

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

The square root of 26285290 is about 5126.9181776190. The cubic root of 26285290 is about 297.3292195914.

The spelling of 26285290 in words is "twenty-six million, two hundred eighty-five thousand, two hundred ninety".