52240142412 has 18 divisors (see below), whose sum is σ = 132051471188. Its totient is φ = 17413380792.

The previous prime is 52240142411. The next prime is 52240142453. The reversal of 52240142412 is 21424104225.

It is a happy number.

52240142412 is a `hidden beast` number, since 5 + 2 + 240 + 1 + 4 + 2 + 412 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (52240142411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 725557498 + ... + 725557569.

Almost surely, 2^52240142412 is an apocalyptic number.

It is an amenable number.

52240142412 is an abundant number, since it is smaller than the sum of its proper divisors (79811328776).

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

52240142412 is a wasteful number, since it uses less digits than its factorization.

52240142412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451115077 (or 1451115072 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 52240142412 its reverse (21424104225), we get a palindrome (73664246637).

The spelling of 52240142412 in words is "fifty-two billion, two hundred forty million, one hundred forty-two thousand, four hundred twelve".