201505362340 has 12 divisors (see below), whose sum is σ = 423161260956. Its totient is φ = 80602144928.

The previous prime is 201505362337. The next prime is 201505362407. The reversal of 201505362340 is 43263505102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 158416736256 + 43088626084 = 398016^2 + 207578^2 .

It is a super-2 number, since 2×201505362340² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5037634039 + ... + 5037634078.

It is an arithmetic number, because the mean of its divisors is an integer number (35263438413).

Almost surely, 2^201505362340 is an apocalyptic number.

201505362340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201505362340 is an abundant number, since it is smaller than the sum of its proper divisors (221655898616).

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

201505362340 is a wasteful number, since it uses less digits than its factorization.

201505362340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10075268126 (or 10075268124 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 201505362340 its reverse (43263505102), we get a palindrome (244768867442).

The spelling of 201505362340 in words is "two hundred one billion, five hundred five million, three hundred sixty-two thousand, three hundred forty".