201532757776 has 45 divisors (see below), whose sum is σ = 454248208341. Its totient is φ = 86365794816.

The previous prime is 201532757759. The next prime is 201532757779. The reversal of 201532757776 is 677757235102.

The square root of 201532757776 is 448924.

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

201532757776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 628003600 + 200904754176 = 25060^2 + 448224^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201532757779) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 12561856 + ... + 12577888.

Almost surely, 2^201532757776 is an apocalyptic number.

201532757776 is the 448924-th square number.

It is an amenable number.

201532757776 is an abundant number, since it is smaller than the sum of its proper divisors (252715450565).

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

201532757776 is an frugal number, since it uses more digits than its factorization.

201532757776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32088 (or 16042 counting only the distinct ones).

The product of its (nonzero) digits is 4321800, while the sum is 52.

The spelling of 201532757776 in words is "two hundred one billion, five hundred thirty-two million, seven hundred fifty-seven thousand, seven hundred seventy-six".