26662402244 has 6 divisors (see below), whose sum is σ = 46659203934. Its totient is φ = 13331201120.

The previous prime is 26662402243. The next prime is 26662402259. The reversal of 26662402244 is 44220426662.

It can be written as a sum of positive squares in only one way, i.e., 26153358400 + 509043844 = 161720^2 + 22562^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26662402198 and 26662402207.

It is not an unprimeable number, because it can be changed into a prime (26662402243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3332800277 + ... + 3332800284.

It is an arithmetic number, because the mean of its divisors is an integer number (7776533989).

Almost surely, 2^26662402244 is an apocalyptic number.

It is an amenable number.

26662402244 is a deficient number, since it is larger than the sum of its proper divisors (19996801690).

26662402244 is a wasteful number, since it uses less digits than its factorization.

26662402244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665600565 (or 6665600563 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 26662402244 in words is "twenty-six billion, six hundred sixty-two million, four hundred two thousand, two hundred forty-four".