26395720 has 64 divisors (see below), whose sum is σ = 66769920. Its totient is φ = 9318144.

The previous prime is 26395667. The next prime is 26395727. The reversal of 26395720 is 2759362.

26395720 = T₄₄₁ + T₄₄₂ + ... + T₆₂₄.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26395727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10857 + ... + 13063.

It is an arithmetic number, because the mean of its divisors is an integer number (1043280).

Almost surely, 2^26395720 is an apocalyptic number.

26395720 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 26395720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33384960).

26395720 is an abundant number, since it is smaller than the sum of its proper divisors (40374200).

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

26395720 is a wasteful number, since it uses less digits than its factorization.

26395720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254 (or 2250 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 26395720 is about 5137.6765176488. The cubic root of 26395720 is about 297.7450185904.

The spelling of 26395720 in words is "twenty-six million, three hundred ninety-five thousand, seven hundred twenty".