42052064356 has 9 divisors (see below), whose sum is σ = 73591830361. Its totient is φ = 21025827112.

The previous prime is 42052064311. The next prime is 42052064363. The reversal of 42052064356 is 65346025024.

The square root of 42052064356 is 205066.

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., 15477848100 + 26574216256 = 124410^2 + 163016^2 .

It is a super-2 number, since 2×42052064356² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 358866 + ... + 461398.

Almost surely, 2^42052064356 is an apocalyptic number.

42052064356 is the 205066-th square number.

It is an amenable number.

42052064356 is a deficient number, since it is larger than the sum of its proper divisors (31539766005).

42052064356 is an frugal number, since it uses more digits than its factorization.

42052064356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205070 (or 102535 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 42052064356 in words is "forty-two billion, fifty-two million, sixty-four thousand, three hundred fifty-six".