26044642242 has 12 divisors (see below), whose sum is σ = 56430058230. Its totient is φ = 8681547408.

The previous prime is 26044642229. The next prime is 26044642249. The reversal of 26044642242 is 24224644062.

26044642242 is a `hidden beast` number, since 2 + 6 + 0 + 4 + 4 + 642 + 2 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20402979921 + 5641662321 = 142839^2 + 75111^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26044642197 and 26044642206.

It is not an unprimeable number, because it can be changed into a prime (26044642249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 723462267 + ... + 723462302.

Almost surely, 2^26044642242 is an apocalyptic number.

26044642242 is an abundant number, since it is smaller than the sum of its proper divisors (30385415988).

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

26044642242 is a wasteful number, since it uses less digits than its factorization.

26044642242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446924577 (or 1446924574 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

The spelling of 26044642242 in words is "twenty-six billion, forty-four million, six hundred forty-two thousand, two hundred forty-two".