641036882 has 8 divisors (see below), whose sum is σ = 961677900. Its totient is φ = 320477584.

The previous prime is 641036881. The next prime is 641036911. The reversal of 641036882 is 288630146.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 640545481 + 491401 = 25309^2 + 701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (641036881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6044 + ... + 36312.

Almost surely, 2^641036882 is an apocalyptic number.

641036882 is a deficient number, since it is larger than the sum of its proper divisors (320641018).

641036882 is a wasteful number, since it uses less digits than its factorization.

641036882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40860.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 641036882 is about 25318.7061675750. The cubic root of 641036882 is about 862.2390196037.

The spelling of 641036882 in words is "six hundred forty-one million, thirty-six thousand, eight hundred eighty-two".