26424720 has 240 divisors, whose sum is σ = 104457600. Its totient is φ = 5983488.

The previous prime is 26424719. The next prime is 26424751. The reversal of 26424720 is 2742462.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 246907 + ... + 247013.

It is an arithmetic number, because the mean of its divisors is an integer number (435240).

Almost surely, 2^26424720 is an apocalyptic number.

26424720 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 26424720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52228800).

26424720 is an abundant number, since it is smaller than the sum of its proper divisors (78032880).

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

26424720 is a wasteful number, since it uses less digits than its factorization.

26424720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 26424720 is about 5140.4980303469. The cubic root of 26424720 is about 297.8540191568.

The spelling of 26424720 in words is "twenty-six million, four hundred twenty-four thousand, seven hundred twenty".