26142218 has 4 divisors (see below), whose sum is σ = 39213330. Its totient is φ = 13071108.

The previous prime is 26142163. The next prime is 26142241. The reversal of 26142218 is 81224162.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23396569 + 2745649 = 4837^2 + 1657^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6535553 + ... + 6535556.

Almost surely, 2^26142218 is an apocalyptic number.

26142218 is a deficient number, since it is larger than the sum of its proper divisors (13071112).

26142218 is a wasteful number, since it uses less digits than its factorization.

26142218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13071111.

The product of its digits is 1536, while the sum is 26.

The square root of 26142218 is about 5112.9461174552. The cubic root of 26142218 is about 296.7887791424.

The spelling of 26142218 in words is "twenty-six million, one hundred forty-two thousand, two hundred eighteen".