26420542 has 8 divisors (see below), whose sum is σ = 39836736. Its totient is φ = 13141632.

The previous prime is 26420521. The next prime is 26420543. The reversal of 26420542 is 24502462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26420543) 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 3 ways as a sum of consecutive naturals, for example, 33838 + ... + 34609.

It is an arithmetic number, because the mean of its divisors is an integer number (4979592).

Almost surely, 2^26420542 is an apocalyptic number.

26420542 is a deficient number, since it is larger than the sum of its proper divisors (13416194).

26420542 is a wasteful number, since it uses less digits than its factorization.

26420542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68642.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 26420542 is about 5140.0916334244. The cubic root of 26420542 is about 297.8383204767.

It can be divided in two parts, 26420 and 542, that added together give a palindrome (26962).

The spelling of 26420542 in words is "twenty-six million, four hundred twenty thousand, five hundred forty-two".