640301300 has 36 divisors (see below), whose sum is σ = 1390910976. Its totient is φ = 255852000.

The previous prime is 640301297. The next prime is 640301309. The reversal of 640301300 is 3103046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (640301309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112319 + ... + 117881.

It is an arithmetic number, because the mean of its divisors is an integer number (38636416).

Almost surely, 2^640301300 is an apocalyptic number.

It is an amenable number.

640301300 is an abundant number, since it is smaller than the sum of its proper divisors (750609676).

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

640301300 is a wasteful number, since it uses less digits than its factorization.

640301300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6728 (or 6721 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 640301300 is about 25304.1755447594. The cubic root of 640301300 is about 861.9090904570.

Adding to 640301300 its reverse (3103046), we get a palindrome (643404346).

The spelling of 640301300 in words is "six hundred forty million, three hundred one thousand, three hundred".