52440405205 has 16 divisors (see below), whose sum is σ = 63956839680. Its totient is φ = 41268503232.

The previous prime is 52440405203. The next prime is 52440405211. The reversal of 52440405205 is 50250404425.

It is a cyclic number.

It is not a de Polignac number, because 52440405205 - 2¹ = 52440405203 is a prime.

It is a super-3 number, since 3×52440405205³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52440405203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132007 + ... + 349723.

It is an arithmetic number, because the mean of its divisors is an integer number (3997302480).

Almost surely, 2^52440405205 is an apocalyptic number.

It is an amenable number.

52440405205 is a deficient number, since it is larger than the sum of its proper divisors (11516434475).

52440405205 is a wasteful number, since it uses less digits than its factorization.

52440405205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218508.

The product of its (nonzero) digits is 32000, while the sum is 31.

The spelling of 52440405205 in words is "fifty-two billion, four hundred forty million, four hundred five thousand, two hundred five".