3520321968 has 40 divisors (see below), whose sum is σ = 9099068416. Its totient is φ = 1172808000.

The previous prime is 3520321967. The next prime is 3520321993. The reversal of 3520321968 is 8691230253.

It is not an unprimeable number, because it can be changed into a prime (3520321967) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 74853 + ... + 112443.

Almost surely, 2^3520321968 is an apocalyptic number.

It is an amenable number.

3520321968 is an abundant number, since it is smaller than the sum of its proper divisors (5578746448).

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

3520321968 is a wasteful number, since it uses less digits than its factorization.

3520321968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39553 (or 39547 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 3520321968 is about 59332.3012194875. The cubic root of 3520321968 is about 1521.2273627768.

The spelling of 3520321968 in words is "three billion, five hundred twenty million, three hundred twenty-one thousand, nine hundred sixty-eight".