26642330 has 64 divisors (see below), whose sum is σ = 58254336. Its totient is φ = 8640000.

The previous prime is 26642323. The next prime is 26642339. The reversal of 26642330 is 3324662.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26642330.

It is not an unprimeable number, because it can be changed into a prime (26642339) 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 31 ways as a sum of consecutive naturals, for example, 44030 + ... + 44630.

It is an arithmetic number, because the mean of its divisors is an integer number (910224).

Almost surely, 2^26642330 is an apocalyptic number.

26642330 is an abundant number, since it is smaller than the sum of its proper divisors (31612006).

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

26642330 is a wasteful number, since it uses less digits than its factorization.

26642330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 26642330 is about 5161.6208694556. The cubic root of 26642330 is about 298.6694033971.

Adding to 26642330 its reverse (3324662), we get a palindrome (29966992).

It can be divided in two parts, 2664 and 2330, that added together give a palindrome (4994).

The spelling of 26642330 in words is "twenty-six million, six hundred forty-two thousand, three hundred thirty".