52640203635 has 48 divisors (see below), whose sum is σ = 95119135488. Its totient is φ = 26900064000.

The previous prime is 52640203633. The next prime is 52640203663. The reversal of 52640203635 is 53630204625.

52640203635 is a `hidden beast` number, since 5 + 2 + 640 + 2 + 0 + 3 + 6 + 3 + 5 = 666.

It is not a de Polignac number, because 52640203635 - 2¹ = 52640203633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52640203635.

It is not an unprimeable number, because it can be changed into a prime (52640203633) 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 47 ways as a sum of consecutive naturals, for example, 45912 + ... + 327701.

It is an arithmetic number, because the mean of its divisors is an integer number (1981648656).

Almost surely, 2^52640203635 is an apocalyptic number.

52640203635 is a deficient number, since it is larger than the sum of its proper divisors (42478931853).

52640203635 is a wasteful number, since it uses less digits than its factorization.

52640203635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373756 (or 373753 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 52640203635 in words is "fifty-two billion, six hundred forty million, two hundred three thousand, six hundred thirty-five".