3143718640 has 40 divisors (see below), whose sum is σ = 7311563280. Its totient is φ = 1257071616.

The previous prime is 3143718629. The next prime is 3143718661. The reversal of 3143718640 is 468173413.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 3143718640.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 378856 + ... + 387064.

It is an arithmetic number, because the mean of its divisors is an integer number (182789082).

Almost surely, 2^3143718640 is an apocalyptic number.

It is an amenable number.

3143718640 is an abundant number, since it is smaller than the sum of its proper divisors (4167844640).

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

3143718640 is a wasteful number, since it uses less digits than its factorization.

3143718640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13009 (or 13003 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 3143718640 is about 56068.8740746593. The cubic root of 3143718640 is about 1464.9221871564.

The spelling of 3143718640 in words is "three billion, one hundred forty-three million, seven hundred eighteen thousand, six hundred forty".