26057864 has 16 divisors (see below), whose sum is σ = 55838400. Its totient is φ = 11167632.

The previous prime is 26057849. The next prime is 26057891. The reversal of 26057864 is 46875062.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 232604 + ... + 232715.

It is an arithmetic number, because the mean of its divisors is an integer number (3489900).

Almost surely, 2^26057864 is an apocalyptic number.

It is an amenable number.

26057864 is an abundant number, since it is smaller than the sum of its proper divisors (29780536).

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

26057864 is a wasteful number, since it uses less digits than its factorization.

26057864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465332 (or 465328 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 26057864 is about 5104.6903921786. The cubic root of 26057864 is about 296.4692156367.

The spelling of 26057864 in words is "twenty-six million, fifty-seven thousand, eight hundred sixty-four".