641424608 has 24 divisors (see below), whose sum is σ = 1377605880. Its totient is φ = 291556480.

The previous prime is 641424583. The next prime is 641424611. The reversal of 641424608 is 806424146.

641424608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×641424608² = 822851055495907328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910763 + ... + 911466.

It is an arithmetic number, because the mean of its divisors is an integer number (57400245).

Almost surely, 2^641424608 is an apocalyptic number.

It is an amenable number.

641424608 is an abundant number, since it is smaller than the sum of its proper divisors (736181272).

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

641424608 is a wasteful number, since it uses less digits than its factorization.

641424608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822250 (or 1822242 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 641424608 is about 25326.3619179700. The cubic root of 641424608 is about 862.4128240113.

The spelling of 641424608 in words is "six hundred forty-one million, four hundred twenty-four thousand, six hundred eight".