26320242 has 32 divisors (see below), whose sum is σ = 57157632. Its totient is φ = 8031744.

The previous prime is 26320201. The next prime is 26320243. The reversal of 26320242 is 24202362.

It is not an unprimeable number, because it can be changed into a prime (26320243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8578 + ... + 11234.

It is an arithmetic number, because the mean of its divisors is an integer number (1786176).

Almost surely, 2^26320242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26320242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28578816).

26320242 is an abundant number, since it is smaller than the sum of its proper divisors (30837390).

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

26320242 is a wasteful number, since it uses less digits than its factorization.

26320242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 26320242 is about 5130.3257206536. The cubic root of 26320242 is about 297.4609491383.

It can be divided in two parts, 26320 and 242, that added together give a palindrome (26562).

The spelling of 26320242 in words is "twenty-six million, three hundred twenty thousand, two hundred forty-two".