26381264 has 40 divisors (see below), whose sum is σ = 62912640. Its totient is φ = 10435968.

The previous prime is 26381261. The next prime is 26381269. The reversal of 26381264 is 46218362.

It is a self number, because there is not a number n which added to its sum of digits gives 26381264.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26381261) 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, 7604 + ... + 10515.

It is an arithmetic number, because the mean of its divisors is an integer number (1572816).

Almost surely, 2^26381264 is an apocalyptic number.

It is an amenable number.

26381264 is an abundant number, since it is smaller than the sum of its proper divisors (36531376).

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

26381264 is a wasteful number, since it uses less digits than its factorization.

26381264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18147 (or 18141 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 26381264 is about 5136.2694633362. The cubic root of 26381264 is about 297.6906538679.

The spelling of 26381264 in words is "twenty-six million, three hundred eighty-one thousand, two hundred sixty-four".