52440402433 has 4 divisors (see below), whose sum is σ = 52930499760. Its totient is φ = 51950305108.

The previous prime is 52440402403. The next prime is 52440402451. The reversal of 52440402433 is 33420404425.

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 not a de Polignac number, because 52440402433 - 2⁹ = 52440401921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52440402395 and 52440402404.

It is not an unprimeable number, because it can be changed into a prime (52440402403) 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 3 ways as a sum of consecutive naturals, for example, 245048503 + ... + 245048716.

It is an arithmetic number, because the mean of its divisors is an integer number (13232624940).

Almost surely, 2^52440402433 is an apocalyptic number.

It is an amenable number.

52440402433 is a deficient number, since it is larger than the sum of its proper divisors (490097327).

52440402433 is a wasteful number, since it uses less digits than its factorization.

52440402433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490097326.

The product of its (nonzero) digits is 46080, while the sum is 31.

Adding to 52440402433 its reverse (33420404425), we get a palindrome (85860806858).

The spelling of 52440402433 in words is "fifty-two billion, four hundred forty million, four hundred two thousand, four hundred thirty-three".