26656320 has 56 divisors (see below), whose sum is σ = 84636864. Its totient is φ = 7108096.

The previous prime is 26656319. The next prime is 26656327. The reversal of 26656320 is 2365662.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (26656327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12924 + ... + 14843.

Almost surely, 2^26656320 is an apocalyptic number.

26656320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26656320 is an abundant number, since it is smaller than the sum of its proper divisors (57980544).

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

26656320 is a wasteful number, since it uses less digits than its factorization.

26656320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27787 (or 27777 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 26656320 is about 5162.9758860564. The cubic root of 26656320 is about 298.7216717711.

The spelling of 26656320 in words is "twenty-six million, six hundred fifty-six thousand, three hundred twenty".