26565240 has 64 divisors (see below), whose sum is σ = 85831200. Its totient is φ = 6538752.

The previous prime is 26565239. The next prime is 26565277. The reversal of 26565240 is 4256562.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 26565198 and 26565207.

It is a congruent number.

It is an unprimeable number.

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, 6955 + ... + 10074.

Almost surely, 2^26565240 is an apocalyptic number.

26565240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26565240 is an abundant number, since it is smaller than the sum of its proper divisors (59265960).

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

26565240 is a wasteful number, since it uses less digits than its factorization.

26565240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17056 (or 17052 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 26565240 is about 5154.1478442125. The cubic root of 26565240 is about 298.3810569042.

The spelling of 26565240 in words is "twenty-six million, five hundred sixty-five thousand, two hundred forty".