641466308 has 48 divisors (see below), whose sum is σ = 1314445440. Its totient is φ = 268240896.

The previous prime is 641466281. The next prime is 641466311. The reversal of 641466308 is 803664146.

It is a super-2 number, since 2×641466308² = 822958048598301728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202916 + ... + 206052.

It is an arithmetic number, because the mean of its divisors is an integer number (27384280).

Almost surely, 2^641466308 is an apocalyptic number.

It is an amenable number.

641466308 is an abundant number, since it is smaller than the sum of its proper divisors (672979132).

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

641466308 is a wasteful number, since it uses less digits than its factorization.

641466308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324 (or 3322 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 641466308 is about 25327.1851574548. The cubic root of 641466308 is about 862.4315125343.

The spelling of 641466308 in words is "six hundred forty-one million, four hundred sixty-six thousand, three hundred eight".