26266720 has 48 divisors (see below), whose sum is σ = 62466768. Its totient is φ = 10437120.

The previous prime is 26266699. The next prime is 26266739. The reversal of 26266720 is 2766262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28507 + ... + 29413.

It is an arithmetic number, because the mean of its divisors is an integer number (1301391).

Almost surely, 2^26266720 is an apocalyptic number.

26266720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26266720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31233384).

26266720 is an abundant number, since it is smaller than the sum of its proper divisors (36200048).

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

26266720 is a wasteful number, since it uses less digits than its factorization.

26266720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103 (or 1095 counting only the distinct ones).

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

The square root of 26266720 is about 5125.1068281549. The cubic root of 26266720 is about 297.2591841663.

The spelling of 26266720 in words is "twenty-six million, two hundred sixty-six thousand, seven hundred twenty".