26442402216 has 32 divisors (see below), whose sum is σ = 66369391200. Its totient is φ = 8779016000.

The previous prime is 26442402149. The next prime is 26442402251. The reversal of 26442402216 is 61220424462.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2188731 + ... + 2200778.

It is an arithmetic number, because the mean of its divisors is an integer number (2074043475).

Almost surely, 2^26442402216 is an apocalyptic number.

It is an amenable number.

26442402216 is an abundant number, since it is smaller than the sum of its proper divisors (39926988984).

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

26442402216 is a wasteful number, since it uses less digits than its factorization.

26442402216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4389769 (or 4389765 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 26442402216 its reverse (61220424462), we get a palindrome (87662826678).

The spelling of 26442402216 in words is "twenty-six billion, four hundred forty-two million, four hundred two thousand, two hundred sixteen".