642076233320 has 32 divisors (see below), whose sum is σ = 1464461552520. Its totient is φ = 253312266240.

The previous prime is 642076233317. The next prime is 642076233343. The reversal of 642076233320 is 23332670246.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 627837539044 + 14238694276 = 792362^2 + 119326^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109941641 + ... + 109947480.

Almost surely, 2^642076233320 is an apocalyptic number.

It is an amenable number.

642076233320 is an abundant number, since it is smaller than the sum of its proper divisors (822385319200).

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

642076233320 is a wasteful number, since it uses less digits than its factorization.

642076233320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219889205 (or 219889201 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 38.

The spelling of 642076233320 in words is "six hundred forty-two billion, seventy-six million, two hundred thirty-three thousand, three hundred twenty".