26400532264 has 8 divisors (see below), whose sum is σ = 49500998010. Its totient is φ = 13200266128.

The previous prime is 26400532247. The next prime is 26400532297. The reversal of 26400532264 is 46223500462.

It can be written as a sum of positive squares in only one way, i.e., 14174807364 + 12225724900 = 119058^2 + 110570^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1650033259 + ... + 1650033274.

Almost surely, 2^26400532264 is an apocalyptic number.

It is an amenable number.

26400532264 is a deficient number, since it is larger than the sum of its proper divisors (23100465746).

26400532264 is a wasteful number, since it uses less digits than its factorization.

26400532264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300066539 (or 3300066535 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 26400532264 in words is "twenty-six billion, four hundred million, five hundred thirty-two thousand, two hundred sixty-four".