26255990 has 32 divisors (see below), whose sum is σ = 51274944. Its totient is φ = 9640960.

The previous prime is 26255989. The next prime is 26255993. The reversal of 26255990 is 9955262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26255993) 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 15 ways as a sum of consecutive naturals, for example, 5087 + ... + 8853.

It is an arithmetic number, because the mean of its divisors is an integer number (1602342).

Almost surely, 2^26255990 is an apocalyptic number.

26255990 is a deficient number, since it is larger than the sum of its proper divisors (25018954).

26255990 is a wasteful number, since it uses less digits than its factorization.

26255990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 26255990 is about 5124.0599137793. The cubic root of 26255990 is about 297.2187016919.

The spelling of 26255990 in words is "twenty-six million, two hundred fifty-five thousand, nine hundred ninety".