26721140612 has 6 divisors (see below), whose sum is σ = 46761996078. Its totient is φ = 13360570304.

The previous prime is 26721140609. The next prime is 26721140639. The reversal of 26721140612 is 21604112762.

It can be written as a sum of positive squares in only one way, i.e., 22513802116 + 4207338496 = 150046^2 + 64864^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3340142573 + ... + 3340142580.

It is an arithmetic number, because the mean of its divisors is an integer number (7793666013).

Almost surely, 2^26721140612 is an apocalyptic number.

It is an amenable number.

26721140612 is a deficient number, since it is larger than the sum of its proper divisors (20040855466).

26721140612 is a wasteful number, since it uses less digits than its factorization.

26721140612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6680285157 (or 6680285155 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 26721140612 in words is "twenty-six billion, seven hundred twenty-one million, one hundred forty thousand, six hundred twelve".