26245590 has 32 divisors (see below), whose sum is σ = 71988480. Its totient is φ = 5998944.

The previous prime is 26245589. The next prime is 26245591. The reversal of 26245590 is 9554262.

It is an interprime number because it is at equal distance from previous prime (26245589) and next prime (26245591).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26245591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62280 + ... + 62699.

It is an arithmetic number, because the mean of its divisors is an integer number (2249640).

Almost surely, 2^26245590 is an apocalyptic number.

26245590 is an abundant number, since it is smaller than the sum of its proper divisors (45742890).

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

26245590 is a wasteful number, since it uses less digits than its factorization.

26245590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124996.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 26245590 is about 5123.0449929705. The cubic root of 26245590 is about 297.1794537246.

The spelling of 26245590 in words is "twenty-six million, two hundred forty-five thousand, five hundred ninety".