641264433304200 has 96 divisors (see below), whose sum is σ = 1991011377012000. Its totient is φ = 170737901890560.

The previous prime is 641264433304199. The next prime is 641264433304207. The reversal of 641264433304200 is 2403334462146.

It is a super-2 number, since 2×641264433304200² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641264433304207) 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 23 ways as a sum of consecutive naturals, for example, 830698225 + ... + 831469824.

It is an arithmetic number, because the mean of its divisors is an integer number (20739701843875).

Almost surely, 2^{641264433304200} is an apocalyptic number.

641264433304200 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

641264433304200 is an abundant number, since it is smaller than the sum of its proper divisors (1349746943707800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

641264433304200 is a wasteful number, since it uses less digits than its factorization.

641264433304200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662168711 (or 1662168702 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 42.

Adding to 641264433304200 its reverse (2403334462146), we get a palindrome (643667767766346).

The spelling of 641264433304200 in words is "six hundred forty-one trillion, two hundred sixty-four billion, four hundred thirty-three million, three hundred four thousand, two hundred".