26258990 has 16 divisors (see below), whose sum is σ = 47736000. Its totient is φ = 10399200.

The previous prime is 26258987. The next prime is 26258993. The reversal of 26258990 is 9985262.

It is an interprime number because it is at equal distance from previous prime (26258987) and next prime (26258993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26258993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11990 + ... + 14009.

It is an arithmetic number, because the mean of its divisors is an integer number (2983500).

Almost surely, 2^26258990 is an apocalyptic number.

26258990 is a deficient number, since it is larger than the sum of its proper divisors (21477010).

26258990 is a wasteful number, since it uses less digits than its factorization.

26258990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26107.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 26258990 is about 5124.3526420417. The cubic root of 26258990 is about 297.2300212949.

The spelling of 26258990 in words is "twenty-six million, two hundred fifty-eight thousand, nine hundred ninety".