42240133312165 has 32 divisors (see below), whose sum is σ = 53725510621440. Its totient is φ = 31771337647104.

The previous prime is 42240133312159. The next prime is 42240133312189. The reversal of 42240133312165 is 56121333104224.

It is a cyclic number.

It is not a de Polignac number, because 42240133312165 - 2¹¹ = 42240133310117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1437262291 + ... + 1437291679.

It is an arithmetic number, because the mean of its divisors is an integer number (1678922206920).

Almost surely, 2^{42240133312165} is an apocalyptic number.

It is an amenable number.

42240133312165 is a deficient number, since it is larger than the sum of its proper divisors (11485377309275).

42240133312165 is a wasteful number, since it uses less digits than its factorization.

42240133312165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46381.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 42240133312165 its reverse (56121333104224), we get a palindrome (98361466416389).

The spelling of 42240133312165 in words is "forty-two trillion, two hundred forty billion, one hundred thirty-three million, three hundred twelve thousand, one hundred sixty-five".