201239045760 has 128 divisors (see below), whose sum is σ = 663568588800. Its totient is φ = 51813257216.

The previous prime is 201239045713. The next prime is 201239045771. The reversal of 201239045760 is 67540932102.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1751424 + ... + 1862783.

It is an arithmetic number, because the mean of its divisors is an integer number (5184129600).

Almost surely, 2^201239045760 is an apocalyptic number.

201239045760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201239045760 is an abundant number, since it is smaller than the sum of its proper divisors (462329543040).

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

201239045760 is a wasteful number, since it uses less digits than its factorization.

201239045760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3614258 (or 3614246 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

Adding to 201239045760 its reverse (67540932102), we get a palindrome (268779977862).

The spelling of 201239045760 in words is "two hundred one billion, two hundred thirty-nine million, forty-five thousand, seven hundred sixty".