26811480 has 32 divisors (see below), whose sum is σ = 80434800. Its totient is φ = 7149696.

The previous prime is 26811461. The next prime is 26811511. The reversal of 26811480 is 8411862.

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

It is a congruent number.

It is an unprimeable number.

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, 111595 + ... + 111834.

Almost surely, 2^26811480 is an apocalyptic number.

26811480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26811480 is an abundant number, since it is smaller than the sum of its proper divisors (53623320).

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

26811480 is a wasteful number, since it uses less digits than its factorization.

26811480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223443 (or 223439 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 26811480 is about 5177.9803012372. The cubic root of 26811480 is about 299.3001463971.

The spelling of 26811480 in words is "twenty-six million, eight hundred eleven thousand, four hundred eighty".