26380656 has 60 divisors (see below), whose sum is σ = 74338992. Its totient is φ = 8732928.

The previous prime is 26380639. The next prime is 26380663. The reversal of 26380656 is 65608362.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 26380656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23500 + ... + 24596.

Almost surely, 2^26380656 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 26380656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37169496).

26380656 is an abundant number, since it is smaller than the sum of its proper divisors (47958336).

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

26380656 is a wasteful number, since it uses less digits than its factorization.

26380656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 26380656 is about 5136.2102760693. The cubic root of 26380656 is about 297.6883669253.

The spelling of 26380656 in words is "twenty-six million, three hundred eighty thousand, six hundred fifty-six".