3144247420 has 24 divisors (see below), whose sum is σ = 6781378464. Its totient is φ = 1223706816.

The previous prime is 3144247399. The next prime is 3144247423. The reversal of 3144247420 is 247424413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144247423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2123752 + ... + 2125231.

It is an arithmetic number, because the mean of its divisors is an integer number (282557436).

Almost surely, 2^3144247420 is an apocalyptic number.

It is an amenable number.

3144247420 is an abundant number, since it is smaller than the sum of its proper divisors (3637131044).

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

3144247420 is a wasteful number, since it uses less digits than its factorization.

3144247420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249029 (or 4249027 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 3144247420 is about 56073.5893268837. The cubic root of 3144247420 is about 1465.0043168692.

The spelling of 3144247420 in words is "three billion, one hundred forty-four million, two hundred forty-seven thousand, four hundred twenty".