642075042384 has 60 divisors (see below), whose sum is σ = 1799821535200. Its totient is φ = 213679225152.

The previous prime is 642075042359. The next prime is 642075042403. The reversal of 642075042384 is 483240570246.

It is a happy number.

642075042384 is a `hidden beast` number, since 6 + 42 + 0 + 7 + 504 + 23 + 84 = 666.

642075042384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3512524 + ... + 3690795.

Almost surely, 2^642075042384 is an apocalyptic number.

It is an amenable number.

642075042384 is an abundant number, since it is smaller than the sum of its proper divisors (1157746492816).

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

642075042384 is a wasteful number, since it uses less digits than its factorization.

642075042384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7203952 (or 7203943 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The spelling of 642075042384 in words is "six hundred forty-two billion, seventy-five million, forty-two thousand, three hundred eighty-four".