26851290 has 32 divisors (see below), whose sum is σ = 64886400. Its totient is φ = 7111104.

The previous prime is 26851289. The next prime is 26851291. The reversal of 26851290 is 9215862.

It is an interprime number because it is at equal distance from previous prime (26851289) and next prime (26851291).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26851291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1467 + ... + 7473.

It is an arithmetic number, because the mean of its divisors is an integer number (2027700).

Almost surely, 2^26851290 is an apocalyptic number.

26851290 is an abundant number, since it is smaller than the sum of its proper divisors (38035110).

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

26851290 is a wasteful number, since it uses less digits than its factorization.

26851290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6166.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 26851290 is about 5181.8230382752. The cubic root of 26851290 is about 299.4482079295.

The spelling of 26851290 in words is "twenty-six million, eight hundred fifty-one thousand, two hundred ninety".