639322341224 has 32 divisors (see below), whose sum is σ = 1370081668800. Its totient is φ = 273974244480.

The previous prime is 639322341223. The next prime is 639322341247. The reversal of 639322341224 is 422143223936.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (639322341223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308444 + ... + 1172084.

It is an arithmetic number, because the mean of its divisors is an integer number (42815052150).

Almost surely, 2^639322341224 is an apocalyptic number.

It is an amenable number.

639322341224 is an abundant number, since it is smaller than the sum of its proper divisors (730759327576).

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

639322341224 is a wasteful number, since it uses less digits than its factorization.

639322341224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876873 (or 876869 counting only the distinct ones).

The product of its digits is 373248, while the sum is 41.

The spelling of 639322341224 in words is "six hundred thirty-nine billion, three hundred twenty-two million, three hundred forty-one thousand, two hundred twenty-four".