26380143368 has 8 divisors (see below), whose sum is σ = 49462768830. Its totient is φ = 13190071680.

The previous prime is 26380143347. The next prime is 26380143373. The reversal of 26380143368 is 86334108362.

It can be written as a sum of positive squares in only one way, i.e., 22421468644 + 3958674724 = 149738^2 + 62918^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1648758953 + ... + 1648758968.

Almost surely, 2^26380143368 is an apocalyptic number.

It is an amenable number.

26380143368 is a deficient number, since it is larger than the sum of its proper divisors (23082625462).

26380143368 is a wasteful number, since it uses less digits than its factorization.

26380143368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297517927 (or 3297517923 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 26380143368 in words is "twenty-six billion, three hundred eighty million, one hundred forty-three thousand, three hundred sixty-eight".