26264720 has 40 divisors (see below), whose sum is σ = 63176760. Its totient is φ = 10142720.

The previous prime is 26264713. The next prime is 26264731. The reversal of 26264720 is 2746262.

It can be written as a sum of positive squares in 4 ways, for example, as 173056 + 26091664 = 416^2 + 5108^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 3341 + ... + 7980.

It is an arithmetic number, because the mean of its divisors is an integer number (1579419).

Almost surely, 2^26264720 is an apocalyptic number.

26264720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26264720 is an abundant number, since it is smaller than the sum of its proper divisors (36912040).

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

26264720 is a wasteful number, since it uses less digits than its factorization.

26264720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11363 (or 11357 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 26264720 is about 5124.9117065565. The cubic root of 26264720 is about 297.2516393408.

The spelling of 26264720 in words is "twenty-six million, two hundred sixty-four thousand, seven hundred twenty".