252040046641 has 4 divisors (see below), whose sum is σ = 252042694000. Its totient is φ = 252037399284.

The previous prime is 252040046627. The next prime is 252040046659. The reversal of 252040046641 is 146640040252.

252040046641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252040046641 is a prime.

It is a super-4 number, since 4×252040046641⁴ (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252040046597 and 252040046606.

It is not an unprimeable number, because it can be changed into a prime (252040046441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175331 + ... + 1373128.

It is an arithmetic number, because the mean of its divisors is an integer number (63010673500).

Almost surely, 2^252040046641 is an apocalyptic number.

It is an amenable number.

252040046641 is a deficient number, since it is larger than the sum of its proper divisors (2647359).

252040046641 is an equidigital number, since it uses as much as digits as its factorization.

252040046641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647358.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 252040046641 its reverse (146640040252), we get a palindrome (398680086893).

The spelling of 252040046641 in words is "two hundred fifty-two billion, forty million, forty-six thousand, six hundred forty-one".