26249560 has 32 divisors (see below), whose sum is σ = 60969600. Its totient is φ = 10160640.

The previous prime is 26249551. The next prime is 26249569. The reversal of 26249560 is 6594262.

It is an interprime number because it is at equal distance from previous prime (26249551) and next prime (26249569).

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26249569) 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, 9345 + ... + 11824.

It is an arithmetic number, because the mean of its divisors is an integer number (1905300).

Almost surely, 2^26249560 is an apocalyptic number.

26249560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26249560 is an abundant number, since it is smaller than the sum of its proper divisors (34720040).

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

26249560 is a wasteful number, since it uses less digits than its factorization.

26249560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21211 (or 21207 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 26249560 is about 5123.4324431967. The cubic root of 26249560 is about 297.1944371047.

The spelling of 26249560 in words is "twenty-six million, two hundred forty-nine thousand, five hundred sixty".