26263880 has 16 divisors (see below), whose sum is σ = 59093820. Its totient is φ = 10505536.

The previous prime is 26263873. The next prime is 26263889. The reversal of 26263880 is 8836262.

It can be written as a sum of positive squares in 2 ways, for example, as 24462916 + 1800964 = 4946^2 + 1342^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26263880.

It is not an unprimeable number, because it can be changed into a prime (26263889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328259 + ... + 328338.

Almost surely, 2^26263880 is an apocalyptic number.

26263880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26263880 is an abundant number, since it is smaller than the sum of its proper divisors (32829940).

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

26263880 is a wasteful number, since it uses less digits than its factorization.

26263880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656608 (or 656604 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 26263880 is about 5124.8297532699. The cubic root of 26263880 is about 297.2484703999.

The spelling of 26263880 in words is "twenty-six million, two hundred sixty-three thousand, eight hundred eighty".