26240620 has 24 divisors (see below), whose sum is σ = 62977824. Its totient is φ = 8996736.

The previous prime is 26240611. The next prime is 26240651. The reversal of 26240620 is 2604262.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26240591 and 26240600.

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 7 ways as a sum of consecutive naturals, for example, 93577 + ... + 93856.

It is an arithmetic number, because the mean of its divisors is an integer number (2624076).

Almost surely, 2^26240620 is an apocalyptic number.

26240620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26240620 is an abundant number, since it is smaller than the sum of its proper divisors (36737204).

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

26240620 is a wasteful number, since it uses less digits than its factorization.

26240620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187449 (or 187447 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 26240620 is about 5122.5599069215. The cubic root of 26240620 is about 297.1606940635.

Adding to 26240620 its reverse (2604262), we get a palindrome (28844882).

The spelling of 26240620 in words is "twenty-six million, two hundred forty thousand, six hundred twenty".