26233780 has 12 divisors (see below), whose sum is σ = 55090980. Its totient is φ = 10493504.

The previous prime is 26233769. The next prime is 26233787. The reversal of 26233780 is 8733262.

It can be written as a sum of positive squares in 2 ways, for example, as 4218916 + 22014864 = 2054^2 + 4692^2 .

It is a super-2 number, since 2×26233780² = 1376422426176800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26233787) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 655825 + ... + 655864.

It is an arithmetic number, because the mean of its divisors is an integer number (4590915).

Almost surely, 2^26233780 is an apocalyptic number.

26233780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26233780 is an abundant number, since it is smaller than the sum of its proper divisors (28857200).

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

26233780 is a wasteful number, since it uses less digits than its factorization.

26233780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311698 (or 1311696 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 26233780 is about 5121.8922284640. The cubic root of 26233780 is about 297.1348720646.

The spelling of 26233780 in words is "twenty-six million, two hundred thirty-three thousand, seven hundred eighty".