26223880 has 16 divisors (see below), whose sum is σ = 59003820. Its totient is φ = 10489536.

The previous prime is 26223871. The next prime is 26223913. The reversal of 26223880 is 8832262.

It can be written as a sum of positive squares in 2 ways, for example, as 21215236 + 5008644 = 4606^2 + 2238^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327759 + ... + 327838.

Almost surely, 2^26223880 is an apocalyptic number.

26223880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26223880 is an abundant number, since it is smaller than the sum of its proper divisors (32779940).

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

26223880 is a wasteful number, since it uses less digits than its factorization.

26223880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655608 (or 655604 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 26223880 is about 5120.9256975668. The cubic root of 26223880 is about 297.0974901681.

It can be divided in two parts, 262 and 23880, that added together give a palindrome (24142).

The spelling of 26223880 in words is "twenty-six million, two hundred twenty-three thousand, eight hundred eighty".