6428143248 has 40 divisors (see below), whose sum is σ = 17178662400. Its totient is φ = 2068827264.

The previous prime is 6428143231. The next prime is 6428143313. The reversal of 6428143248 is 8423418246.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2307568 + ... + 2310351.

It is an arithmetic number, because the mean of its divisors is an integer number (429466560).

Almost surely, 2^6428143248 is an apocalyptic number.

It is an amenable number.

6428143248 is an abundant number, since it is smaller than the sum of its proper divisors (10750519152).

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

6428143248 is a wasteful number, since it uses less digits than its factorization.

6428143248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4617959 (or 4617953 counting only the distinct ones).

The product of its digits is 294912, while the sum is 42.

The square root of 6428143248 is about 80175.7023542669. The cubic root of 6428143248 is about 1859.3529996175.

The spelling of 6428143248 in words is "six billion, four hundred twenty-eight million, one hundred forty-three thousand, two hundred forty-eight".