642524496012 has 48 divisors (see below), whose sum is σ = 1903776286720. Its totient is φ = 183578427216.

The previous prime is 642524496007. The next prime is 642524496037. The reversal of 642524496012 is 210694425246.

It is a happy number.

642524496012 is a `hidden beast` number, since 64 + 2 + 524 + 4 + 9 + 60 + 1 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424949308 + ... + 424950819.

Almost surely, 2^642524496012 is an apocalyptic number.

It is an amenable number.

642524496012 is an abundant number, since it is smaller than the sum of its proper divisors (1261251790708).

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

642524496012 is a wasteful number, since it uses less digits than its factorization.

642524496012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849900147 (or 849900139 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

It can be divided in two parts, 6425244 and 96012, that added together give a palindrome (6521256).

The spelling of 642524496012 in words is "six hundred forty-two billion, five hundred twenty-four million, four hundred ninety-six thousand, twelve".