641460802 has 16 divisors (see below), whose sum is σ = 1014155640. Its totient is φ = 303826432.

The previous prime is 641460793. The next prime is 641460817. The reversal of 641460802 is 208064146.

641460802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 487923921 + 153536881 = 22089^2 + 12391^2 .

It is a super-2 number, since 2×641460802² = 822943921004966408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101263 + ... + 107410.

Almost surely, 2^641460802 is an apocalyptic number.

641460802 is a deficient number, since it is larger than the sum of its proper divisors (372694838).

641460802 is a wasteful number, since it uses less digits than its factorization.

641460802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208757.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 641460802 is about 25327.0764597890. The cubic root of 641460802 is about 862.4290449786.

The spelling of 641460802 in words is "six hundred forty-one million, four hundred sixty thousand, eight hundred two".