421059280 has 20 divisors (see below), whose sum is σ = 978963012. Its totient is φ = 168423680.

The previous prime is 421059269. The next prime is 421059293. The reversal of 421059280 is 82950124.

It can be written as a sum of positive squares in 2 ways, for example, as 289544256 + 131515024 = 17016^2 + 11468^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2631541 + ... + 2631700.

Almost surely, 2^421059280 is an apocalyptic number.

421059280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421059280 is an abundant number, since it is smaller than the sum of its proper divisors (557903732).

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

421059280 is a wasteful number, since it uses less digits than its factorization.

421059280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5263254 (or 5263248 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 421059280 is about 20519.7290430454. The cubic root of 421059280 is about 749.5162984812.

The spelling of 421059280 in words is "four hundred twenty-one million, fifty-nine thousand, two hundred eighty".