26006240 has 48 divisors (see below), whose sum is σ = 66171168. Its totient is φ = 9601536.

The previous prime is 26006237. The next prime is 26006249. The reversal of 26006240 is 4260062.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26006249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4172 + ... + 8331.

It is an arithmetic number, because the mean of its divisors is an integer number (1378566).

Almost surely, 2^26006240 is an apocalyptic number.

26006240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26006240 is an abundant number, since it is smaller than the sum of its proper divisors (40164928).

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

26006240 is a wasteful number, since it uses less digits than its factorization.

26006240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12531 (or 12523 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 26006240 is about 5099.6313592259. The cubic root of 26006240 is about 296.2733049135.

The spelling of 26006240 in words is "twenty-six million, six thousand, two hundred forty".