641950576 has 10 divisors (see below), whose sum is σ = 1243779272. Its totient is φ = 320975280.

The previous prime is 641950567. The next prime is 641950577. The reversal of 641950576 is 675059146.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641950577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20060940 + ... + 20060971.

Almost surely, 2^641950576 is an apocalyptic number.

It is an amenable number.

641950576 is a deficient number, since it is larger than the sum of its proper divisors (601828696).

641950576 is a wasteful number, since it uses less digits than its factorization.

641950576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40121919 (or 40121913 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 641950576 is about 25336.7435950242. The cubic root of 641950576 is about 862.6484857008.

The spelling of 641950576 in words is "six hundred forty-one million, nine hundred fifty thousand, five hundred seventy-six".