640114541050 has 48 divisors (see below), whose sum is σ = 1215894177792. Its totient is φ = 250631451200.

The previous prime is 640114540987. The next prime is 640114541051. The reversal of 640114541050 is 50145411046.

It is not an unprimeable number, because it can be changed into a prime (640114541051) 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 23 ways as a sum of consecutive naturals, for example, 861927 + ... + 1422373.

It is an arithmetic number, because the mean of its divisors is an integer number (25331128704).

Almost surely, 2^640114541050 is an apocalyptic number.

640114541050 is a deficient number, since it is larger than the sum of its proper divisors (575779636742).

640114541050 is a wasteful number, since it uses less digits than its factorization.

640114541050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560943 (or 560938 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 640114541050 its reverse (50145411046), we get a palindrome (690259952096).

The spelling of 640114541050 in words is "six hundred forty billion, one hundred fourteen million, five hundred forty-one thousand, fifty".