5142336640 has 64 divisors (see below), whose sum is σ = 14049610560. Its totient is φ = 1763085312.

The previous prime is 5142336623. The next prime is 5142336649. The reversal of 5142336640 is 466332415.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×5142336640² = 52887252238172979200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5142336596 and 5142336605.

It is not an unprimeable number, because it can be changed into a prime (5142336649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569442 + ... + 578401.

It is an arithmetic number, because the mean of its divisors is an integer number (219525165).

Almost surely, 2^5142336640 is an apocalyptic number.

It is an amenable number.

5142336640 is an abundant number, since it is smaller than the sum of its proper divisors (8907273920).

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

5142336640 is a wasteful number, since it uses less digits than its factorization.

5142336640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147869 (or 1147857 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 5142336640 is about 71710.0874354508. The cubic root of 5142336640 is about 1726.0505135135.

The spelling of 5142336640 in words is "five billion, one hundred forty-two million, three hundred thirty-six thousand, six hundred forty".