3144355820 has 12 divisors (see below), whose sum is σ = 6603147264. Its totient is φ = 1257742320.

The previous prime is 3144355811. The next prime is 3144355843. The reversal of 3144355820 is 285534413.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78608876 + ... + 78608915.

It is an arithmetic number, because the mean of its divisors is an integer number (550262272).

Almost surely, 2^3144355820 is an apocalyptic number.

It is an amenable number.

3144355820 is an abundant number, since it is smaller than the sum of its proper divisors (3458791444).

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

3144355820 is a wasteful number, since it uses less digits than its factorization.

3144355820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157217800 (or 157217798 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 3144355820 is about 56074.5559055085. Note that the first 3 decimals coincide. The cubic root of 3144355820 is about 1465.0211523386.

The spelling of 3144355820 in words is "three billion, one hundred forty-four million, three hundred fifty-five thousand, eight hundred twenty".