26558442 has 24 divisors (see below), whose sum is σ = 59675616. Its totient is φ = 8852652.

The previous prime is 26558429. The next prime is 26558443. The reversal of 26558442 is 24485562.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26558397 and 26558406.

It is not an unprimeable number, because it can be changed into a prime (26558443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26838 + ... + 27809.

It is an arithmetic number, because the mean of its divisors is an integer number (2486484).

Almost surely, 2^26558442 is an apocalyptic number.

26558442 is an abundant number, since it is smaller than the sum of its proper divisors (33117174).

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

26558442 is an equidigital number, since it uses as much as digits as its factorization.

26558442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54664 (or 54652 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 26558442 is about 5153.4883331584. The cubic root of 26558442 is about 298.3556029969.

It can be divided in two parts, 26558 and 442, that added together give a cube (27000 = 30³).

The spelling of 26558442 in words is "twenty-six million, five hundred fifty-eight thousand, four hundred forty-two".