201516725240 has 16 divisors (see below), whose sum is σ = 453412631880. Its totient is φ = 80606690080.

The previous prime is 201516725209. The next prime is 201516725269. The reversal of 201516725240 is 42527615102.

It is a self number, because there is not a number n which added to its sum of digits gives 201516725240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2518959026 + ... + 2518959105.

Almost surely, 2^201516725240 is an apocalyptic number.

201516725240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201516725240 is an abundant number, since it is smaller than the sum of its proper divisors (251895906640).

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

201516725240 is a wasteful number, since it uses less digits than its factorization.

201516725240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037918142 (or 5037918138 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 201516725240 in words is "two hundred one billion, five hundred sixteen million, seven hundred twenty-five thousand, two hundred forty".