4240542445452 has 18 divisors (see below), whose sum is σ = 10719148959428. Its totient is φ = 1413514148472.

The previous prime is 4240542445441. The next prime is 4240542445453. The reversal of 4240542445452 is 2545442450424.

4240542445452 is a `hidden beast` number, since 4 + 2 + 4 + 0 + 542 + 4 + 4 + 54 + 52 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 4240542445398 and 4240542445407.

It is not an unprimeable number, because it can be changed into a prime (4240542445453) 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, 58896422818 + ... + 58896422889.

Almost surely, 2^{4240542445452} is an apocalyptic number.

It is an amenable number.

4240542445452 is an abundant number, since it is smaller than the sum of its proper divisors (6478606513976).

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

4240542445452 is a wasteful number, since it uses less digits than its factorization.

4240542445452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117792845717 (or 117792845712 counting only the distinct ones).

The product of its (nonzero) digits is 4096000, while the sum is 45.

Adding to 4240542445452 its reverse (2545442450424), we get a palindrome (6785984895876).

The spelling of 4240542445452 in words is "four trillion, two hundred forty billion, five hundred forty-two million, four hundred forty-five thousand, four hundred fifty-two".