26421230 has 64 divisors (see below), whose sum is σ = 55987200. Its totient is φ = 8870400.

The previous prime is 26421223. The next prime is 26421253. The reversal of 26421230 is 3212462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132671 + ... + 132869.

It is an arithmetic number, because the mean of its divisors is an integer number (874800).

Almost surely, 2^26421230 is an apocalyptic number.

26421230 is an abundant number, since it is smaller than the sum of its proper divisors (29565970).

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

26421230 is a wasteful number, since it uses less digits than its factorization.

26421230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 26421230 is about 5140.1585578657. The cubic root of 26421230 is about 297.8409057250.

Adding to 26421230 its reverse (3212462), we get a palindrome (29633692).

The spelling of 26421230 in words is "twenty-six million, four hundred twenty-one thousand, two hundred thirty".