83030843240 has 32 divisors (see below), whose sum is σ = 186945674760. Its totient is φ = 33189888000.

The previous prime is 83030843221. The next prime is 83030843251. The reversal of 83030843240 is 4234803038.

It can be written as a sum of positive squares in 4 ways, for example, as 53459913796 + 29570929444 = 231214^2 + 171962^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 83030843240.

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 7 ways as a sum of consecutive naturals, for example, 641561 + ... + 760040.

Almost surely, 2^83030843240 is an apocalyptic number.

It is an amenable number.

83030843240 is an abundant number, since it is smaller than the sum of its proper divisors (103914831520).

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

83030843240 is a wasteful number, since it uses less digits than its factorization.

83030843240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403093 (or 1403089 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 83030843240 in words is "eighty-three billion, thirty million, eight hundred forty-three thousand, two hundred forty".