6400727803088 has 10 divisors (see below), whose sum is σ = 12401410118514. Its totient is φ = 3200363901536.

The previous prime is 6400727803069. The next prime is 6400727803097. The reversal of 6400727803088 is 8803087270046.

It can be written as a sum of positive squares in only one way, i.e., 6263166927424 + 137560875664 = 2502632^2 + 370892^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200022743831 + ... + 200022743862.

Almost surely, 2^{6400727803088} is an apocalyptic number.

It is an amenable number.

6400727803088 is a deficient number, since it is larger than the sum of its proper divisors (6000682315426).

6400727803088 is a wasteful number, since it uses less digits than its factorization.

6400727803088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400045487701 (or 400045487695 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 53.

The spelling of 6400727803088 in words is "six trillion, four hundred billion, seven hundred twenty-seven million, eight hundred three thousand, eighty-eight".