42830785936 has 45 divisors (see below), whose sum is σ = 85799331873. Its totient is φ = 20712156480.

The previous prime is 42830785903. The next prime is 42830785957. The reversal of 42830785936 is 63958703824.

The square root of 42830785936 is 206956.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 22848136336 + 19982649600 = 151156^2 + 141360^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25661710 + ... + 25663378.

Almost surely, 2^42830785936 is an apocalyptic number.

42830785936 is the 206956-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42830785936

42830785936 is an abundant number, since it is smaller than the sum of its proper divisors (42968545937).

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

42830785936 is an frugal number, since it uses more digits than its factorization.

42830785936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408 (or 1702 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 42830785936 in words is "forty-two billion, eight hundred thirty million, seven hundred eighty-five thousand, nine hundred thirty-six".