202730465536 has 81 divisors (see below), whose sum is σ = 410045399491. Its totient is φ = 100036077056.

The previous prime is 202730465533. The next prime is 202730465537. The reversal of 202730465536 is 635564037202.

The square root of 202730465536 is 450256.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202730465492 and 202730465501.

It is not an unprimeable number, because it can be changed into a prime (202730465533) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 770838141 + ... + 770838403.

Almost surely, 2^202730465536 is an apocalyptic number.

202730465536 is the 450256-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202730465536

202730465536 is an abundant number, since it is smaller than the sum of its proper divisors (207314933955).

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

202730465536 is an frugal number, since it uses more digits than its factorization.

202730465536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 43.

The spelling of 202730465536 in words is "two hundred two billion, seven hundred thirty million, four hundred sixty-five thousand, five hundred thirty-six".