641052208 has 10 divisors (see below), whose sum is σ = 1242038684. Its totient is φ = 320526096.

The previous prime is 641052187. The next prime is 641052211. The reversal of 641052208 is 802250146.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20032866 + ... + 20032897.

Almost surely, 2^641052208 is an apocalyptic number.

It is an amenable number.

641052208 is a deficient number, since it is larger than the sum of its proper divisors (600986476).

641052208 is a wasteful number, since it uses less digits than its factorization.

641052208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40065771 (or 40065765 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 641052208 is about 25319.0088273613. The cubic root of 641052208 is about 862.2458910595.

The spelling of 641052208 in words is "six hundred forty-one million, fifty-two thousand, two hundred eight".