5142452868 has 36 divisors (see below), whose sum is σ = 14855975680. Its totient is φ = 1469272176.

The previous prime is 5142452851. The next prime is 5142452899. The reversal of 5142452868 is 8682542415.

5142452868 is a `hidden beast` number, since 514 + 2 + 4 + 52 + 86 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10203028 + ... + 10203531.

Almost surely, 2^5142452868 is an apocalyptic number.

It is an amenable number.

5142452868 is an abundant number, since it is smaller than the sum of its proper divisors (9713522812).

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

5142452868 is a wasteful number, since it uses less digits than its factorization.

5142452868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20406576 (or 20406571 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The square root of 5142452868 is about 71710.8978328957. The cubic root of 5142452868 is about 1726.0635175816.

The spelling of 5142452868 in words is "five billion, one hundred forty-two million, four hundred fifty-two thousand, eight hundred sixty-eight".