5142988668 has 24 divisors (see below), whose sum is σ = 12292998480. Its totient is φ = 1672516480.

The previous prime is 5142988667. The next prime is 5142988679. The reversal of 5142988668 is 8668892415.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142988661) 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, 5226123 + ... + 5227106.

It is an arithmetic number, because the mean of its divisors is an integer number (512208270).

Almost surely, 2^5142988668 is an apocalyptic number.

It is an amenable number.

5142988668 is an abundant number, since it is smaller than the sum of its proper divisors (7150009812).

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

5142988668 is a wasteful number, since it uses less digits than its factorization.

5142988668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10453277 (or 10453275 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 57.

The square root of 5142988668 is about 71714.6335694466. The cubic root of 5142988668 is about 1726.1234625624.

The spelling of 5142988668 in words is "five billion, one hundred forty-two million, nine hundred eighty-eight thousand, six hundred sixty-eight".