3144310640 has 20 divisors (see below), whose sum is σ = 7310522424. Its totient is φ = 1257724224.

The previous prime is 3144310639. The next prime is 3144310643. The reversal of 3144310640 is 460134413.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144310643) 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 3 ways as a sum of consecutive naturals, for example, 19651862 + ... + 19652021.

Almost surely, 2^3144310640 is an apocalyptic number.

It is an amenable number.

3144310640 is an abundant number, since it is smaller than the sum of its proper divisors (4166211784).

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

3144310640 is a wasteful number, since it uses less digits than its factorization.

3144310640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39303896 (or 39303890 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 3144310640 is about 56074.1530475495. The cubic root of 3144310640 is about 1465.0141355359.

The spelling of 3144310640 in words is "three billion, one hundred forty-four million, three hundred ten thousand, six hundred forty".