26820488 has 12 divisors (see below), whose sum is σ = 50315895. Its totient is φ = 13402920.

The previous prime is 26820481. The next prime is 26820499. The reversal of 26820488 is 88402862.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 13410244 + 13410244 = 3662^2 + 3662^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3662.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26820481) 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 2 ways as a sum of consecutive naturals, for example, 13733 + ... + 15563.

Almost surely, 2^26820488 is an apocalyptic number.

It is an amenable number.

26820488 is a deficient number, since it is larger than the sum of its proper divisors (23495407).

26820488 is an frugal number, since it uses more digits than its factorization.

26820488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 26820488 is about 5178.8500654103. The cubic root of 26820488 is about 299.3336618146. Note that the first 3 decimals are identical.

The spelling of 26820488 in words is "twenty-six million, eight hundred twenty thousand, four hundred eighty-eight".