26276864 has 44 divisors (see below), whose sum is σ = 53451264. Its totient is φ = 12908544.

The previous prime is 26276863. The next prime is 26276881. The reversal of 26276864 is 46867262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26276863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68417 + ... + 68799.

Almost surely, 2^26276864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26276864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26725632).

26276864 is an abundant number, since it is smaller than the sum of its proper divisors (27174400).

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

26276864 is an equidigital number, since it uses as much as digits as its factorization.

26276864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 452 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The square root of 26276864 is about 5126.0963705338. The cubic root of 26276864 is about 297.2974456251.

The spelling of 26276864 in words is "twenty-six million, two hundred seventy-six thousand, eight hundred sixty-four".