26434570216 has 16 divisors (see below), whose sum is σ = 51273951300. Its totient is φ = 12761516544.

The previous prime is 26434570207. The next prime is 26434570219. The reversal of 26434570216 is 61207543462.

It can be written as a sum of positive squares in 2 ways, for example, as 26383504900 + 51065316 = 162430^2 + 7146^2 .

It is not an unprimeable number, because it can be changed into a prime (26434570219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56970825 + ... + 56971288.

Almost surely, 2^26434570216 is an apocalyptic number.

It is an amenable number.

26434570216 is a deficient number, since it is larger than the sum of its proper divisors (24839381084).

26434570216 is a wasteful number, since it uses less digits than its factorization.

26434570216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113942148 (or 113942144 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 26434570216 in words is "twenty-six billion, four hundred thirty-four million, five hundred seventy thousand, two hundred sixteen".