26642146 has 16 divisors (see below), whose sum is σ = 41823864. Its totient is φ = 12714624.

The previous prime is 26642141. The next prime is 26642149. The reversal of 26642146 is 64124662.

It can be written as a sum of positive squares in 4 ways, for example, as 24611521 + 2030625 = 4961^2 + 1425^2 .

It is not an unprimeable number, because it can be changed into a prime (26642141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526 + ... + 7318.

Almost surely, 2^26642146 is an apocalyptic number.

26642146 is a deficient number, since it is larger than the sum of its proper divisors (15181718).

26642146 is a wasteful number, since it uses less digits than its factorization.

26642146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6885.

The product of its digits is 13824, while the sum is 31.

The square root of 26642146 is about 5161.6030455664. The cubic root of 26642146 is about 298.6687158284.

The spelling of 26642146 in words is "twenty-six million, six hundred forty-two thousand, one hundred forty-six".