640300441160 has 32 divisors (see below), whose sum is σ = 1460411286840. Its totient is φ = 252611679744.

The previous prime is 640300441141. The next prime is 640300441177. The reversal of 640300441160 is 61144003046.

It can be written as a sum of positive squares in 4 ways, for example, as 595221508036 + 45078933124 = 771506^2 + 212318^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 109637567 + ... + 109643406.

Almost surely, 2^640300441160 is an apocalyptic number.

It is an amenable number.

640300441160 is an abundant number, since it is smaller than the sum of its proper divisors (820110845680).

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

640300441160 is a wasteful number, since it uses less digits than its factorization.

640300441160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219281057 (or 219281053 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 640300441160 in words is "six hundred forty billion, three hundred million, four hundred forty-one thousand, one hundred sixty".