421260320 has 48 divisors (see below), whose sum is σ = 1071788760. Its totient is φ = 155541504.

The previous prime is 421260319. The next prime is 421260347. The reversal of 421260320 is 23062124.

421260320 is digitally balanced in base 6, 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 286421776 + 134838544 = 16924^2 + 11612^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 421260292 and 421260301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99185 + ... + 103344.

Almost surely, 2^421260320 is an apocalyptic number.

421260320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421260320 is an abundant number, since it is smaller than the sum of its proper divisors (650528440).

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

421260320 is a wasteful number, since it uses less digits than its factorization.

421260320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202557 (or 202549 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 421260320 is about 20524.6271586112. The cubic root of 421260320 is about 749.6355681331.

The spelling of 421260320 in words is "four hundred twenty-one million, two hundred sixty thousand, three hundred twenty".