26766464 has 32 divisors (see below), whose sum is σ = 54019200. Its totient is φ = 13208832.

The previous prime is 26766463. The next prime is 26766479. The reversal of 26766464 is 46466762.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (26766463) 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, 8789 + ... + 11435.

It is an arithmetic number, because the mean of its divisors is an integer number (1688100).

Almost surely, 2^26766464 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 26766464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27009600).

26766464 is an abundant number, since it is smaller than the sum of its proper divisors (27252736).

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

26766464 is an equidigital number, since it uses as much as digits as its factorization.

26766464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740 (or 2728 counting only the distinct ones).

The product of its digits is 290304, while the sum is 41.

The square root of 26766464 is about 5173.6316065217. The cubic root of 26766464 is about 299.1325460147.

The spelling of 26766464 in words is "twenty-six million, seven hundred sixty-six thousand, four hundred sixty-four".