26651320 has 32 divisors (see below), whose sum is σ = 61902720. Its totient is φ = 10316160.

The previous prime is 26651311. The next prime is 26651321. The reversal of 26651320 is 2315662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26651321) 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, 9507 + ... + 11986.

It is an arithmetic number, because the mean of its divisors is an integer number (1934460).

Almost surely, 2^26651320 is an apocalyptic number.

26651320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26651320 is an abundant number, since it is smaller than the sum of its proper divisors (35251400).

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

26651320 is a wasteful number, since it uses less digits than its factorization.

26651320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21535 (or 21531 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 26651320 is about 5162.4916464823. The cubic root of 26651320 is about 298.7029932519.

Adding to 26651320 its reverse (2315662), we get a palindrome (28966982).

The spelling of 26651320 in words is "twenty-six million, six hundred fifty-one thousand, three hundred twenty".