8240236361 has 6 divisors (see below), whose sum is σ = 9585581130. Its totient is φ = 7063059696.

The previous prime is 8240236339. The next prime is 8240236363. The reversal of 8240236361 is 1636320428.

It can be written as a sum of positive squares in only one way, i.e., 7079539600 + 1160696761 = 84140^2 + 34069^2 .

It is not a de Polignac number, because 8240236361 - 2⁶ = 8240236297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8240236363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84083996 + ... + 84084093.

It is an arithmetic number, because the mean of its divisors is an integer number (1597596855).

Almost surely, 2^8240236361 is an apocalyptic number.

It is an amenable number.

8240236361 is a deficient number, since it is larger than the sum of its proper divisors (1345344769).

8240236361 is a wasteful number, since it uses less digits than its factorization.

8240236361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168168103 (or 168168096 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 8240236361 is about 90775.7476477060. The cubic root of 8240236361 is about 2019.8225803230.

Adding to 8240236361 its reverse (1636320428), we get a palindrome (9876556789).

The spelling of 8240236361 in words is "eight billion, two hundred forty million, two hundred thirty-six thousand, three hundred sixty-one".