641980300 has 54 divisors (see below), whose sum is σ = 1508541468. Its totient is φ = 237032640.

The previous prime is 641980267. The next prime is 641980309. The reversal of 641980300 is 3089146.

641980300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (641980309) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2094 + ... + 35893.

Almost surely, 2^641980300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 641980300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (754270734).

641980300 is an abundant number, since it is smaller than the sum of its proper divisors (866561168).

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

641980300 is a wasteful number, since it uses less digits than its factorization.

641980300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38027 (or 38007 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 641980300 is about 25337.3301671664. The cubic root of 641980300 is about 862.6617997932.

The spelling of 641980300 in words is "six hundred forty-one million, nine hundred eighty thousand, three hundred".