642324248524 has 48 divisors (see below), whose sum is σ = 1352715840000. Its totient is φ = 260705696256.

The previous prime is 642324248507. The next prime is 642324248539. The reversal of 642324248524 is 425842423246.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1394172 + ... + 1796764.

It is an arithmetic number, because the mean of its divisors is an integer number (28181580000).

Almost surely, 2^642324248524 is an apocalyptic number.

It is an amenable number.

642324248524 is an abundant number, since it is smaller than the sum of its proper divisors (710391591476).

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

642324248524 is a wasteful number, since it uses less digits than its factorization.

642324248524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405622 (or 405620 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 46.

The spelling of 642324248524 in words is "six hundred forty-two billion, three hundred twenty-four million, two hundred forty-eight thousand, five hundred twenty-four".