421260650 has 24 divisors (see below), whose sum is σ = 802659564. Its totient is φ = 164393600.

The previous prime is 421260601. The next prime is 421260689. The reversal of 421260650 is 56062124.

It can be written as a sum of positive squares in 6 ways, for example, as 26801329 + 394459321 = 5177^2 + 19861^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100697 + ... + 104796.

Almost surely, 2^421260650 is an apocalyptic number.

421260650 is a deficient number, since it is larger than the sum of its proper divisors (381398914).

421260650 is a wasteful number, since it uses less digits than its factorization.

421260650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205546 (or 205541 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 421260650 is about 20524.6351977325. The cubic root of 421260650 is about 749.6357638788.

The spelling of 421260650 in words is "four hundred twenty-one million, two hundred sixty thousand, six hundred fifty".