6402888318 has 32 divisors (see below), whose sum is σ = 13483376640. Its totient is φ = 2021423040.

The previous prime is 6402888311. The next prime is 6402888341. The reversal of 6402888318 is 8138882046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6402888311) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 777603 + ... + 785793.

It is an arithmetic number, because the mean of its divisors is an integer number (421355520).

Almost surely, 2^6402888318 is an apocalyptic number.

6402888318 is an abundant number, since it is smaller than the sum of its proper divisors (7080488322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6402888318 is a wasteful number, since it uses less digits than its factorization.

6402888318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15072.

The product of its (nonzero) digits is 589824, while the sum is 48.

The square root of 6402888318 is about 80018.0499512454. The cubic root of 6402888318 is about 1856.9147911184.

The spelling of 6402888318 in words is "six billion, four hundred two million, eight hundred eighty-eight thousand, three hundred eighteen".