26399042 has 8 divisors (see below), whose sum is σ = 40876032. Its totient is φ = 12773700.

The previous prime is 26399029. The next prime is 26399047. The reversal of 26399042 is 24099362.

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

It is a junction number, because it is equal to n+sod(n) for n = 26398993 and 26399011.

It is not an unprimeable number, because it can be changed into a prime (26399047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212834 + ... + 212957.

It is an arithmetic number, because the mean of its divisors is an integer number (5109504).

Almost surely, 2^26399042 is an apocalyptic number.

26399042 is a deficient number, since it is larger than the sum of its proper divisors (14476990).

26399042 is a wasteful number, since it uses less digits than its factorization.

26399042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425824.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 26399042 is about 5137.9998053717. Note that the first 3 decimals coincide. The cubic root of 26399042 is about 297.7575088408.

The spelling of 26399042 in words is "twenty-six million, three hundred ninety-nine thousand, forty-two".