26420530 has 32 divisors (see below), whose sum is σ = 48657024. Its totient is φ = 10327296.

The previous prime is 26420521. The next prime is 26420543. The reversal of 26420530 is 3502462.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 116277 + ... + 116503.

It is an arithmetic number, because the mean of its divisors is an integer number (1520532).

Almost surely, 2^26420530 is an apocalyptic number.

26420530 is a deficient number, since it is larger than the sum of its proper divisors (22236494).

26420530 is a wasteful number, since it uses less digits than its factorization.

26420530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 26420530 is about 5140.0904661299. The cubic root of 26420530 is about 297.8382753847.

Adding to 26420530 its reverse (3502462), we get a palindrome (29922992).

The spelling of 26420530 in words is "twenty-six million, four hundred twenty thousand, five hundred thirty".