26864480 has 48 divisors (see below), whose sum is σ = 66815280. Its totient is φ = 10179072.

The previous prime is 26864459. The next prime is 26864489. The reversal of 26864480 is 8446862.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26864489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379 + ... + 7458.

It is an arithmetic number, because the mean of its divisors is an integer number (1391985).

Almost surely, 2^26864480 is an apocalyptic number.

26864480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26864480 is an abundant number, since it is smaller than the sum of its proper divisors (39950800).

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

26864480 is a wasteful number, since it uses less digits than its factorization.

26864480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8871 (or 8863 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 26864480 is about 5183.0956001216. The cubic root of 26864480 is about 299.4972319591.

The spelling of 26864480 in words is "twenty-six million, eight hundred sixty-four thousand, four hundred eighty".