26244630 has 48 divisors (see below), whose sum is σ = 68693040. Its totient is φ = 6951744.

The previous prime is 26244629. The next prime is 26244641. The reversal of 26244630 is 3644262.

26244630 is a `hidden beast` number, since 2 + 6 + 24 + 4 + 630 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 26244594 and 26244603.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 13776 + ... + 15564.

It is an arithmetic number, because the mean of its divisors is an integer number (1431105).

Almost surely, 2^26244630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26244630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34346520).

26244630 is an abundant number, since it is smaller than the sum of its proper divisors (42448410).

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

26244630 is a wasteful number, since it uses less digits than its factorization.

26244630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965 (or 1962 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 26244630 is about 5122.9512978360. The cubic root of 26244630 is about 297.1758303126.

Adding to 26244630 its reverse (3644262), we get a palindrome (29888892).

The spelling of 26244630 in words is "twenty-six million, two hundred forty-four thousand, six hundred thirty".