3143728460 has 12 divisors (see below), whose sum is σ = 6601829808. Its totient is φ = 1257491376.

The previous prime is 3143728411. The next prime is 3143728463. The reversal of 3143728460 is 648273413.

It is not an unprimeable number, because it can be changed into a prime (3143728463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78593192 + ... + 78593231.

It is an arithmetic number, because the mean of its divisors is an integer number (550152484).

Almost surely, 2^3143728460 is an apocalyptic number.

It is an amenable number.

3143728460 is an abundant number, since it is smaller than the sum of its proper divisors (3458101348).

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

3143728460 is a wasteful number, since it uses less digits than its factorization.

3143728460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157186432 (or 157186430 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 3143728460 is about 56068.9616454594. The cubic root of 3143728460 is about 1464.9237124754.

The spelling of 3143728460 in words is "three billion, one hundred forty-three million, seven hundred twenty-eight thousand, four hundred sixty".