421471360 has 32 divisors (see below), whose sum is σ = 1007581500. Its totient is φ = 168588288.

The previous prime is 421471333. The next prime is 421471363. The reversal of 421471360 is 63174124.

It can be written as a sum of positive squares in 2 ways, for example, as 407393856 + 14077504 = 20184^2 + 3752^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (421471363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328635 + ... + 329914.

Almost surely, 2^421471360 is an apocalyptic number.

421471360 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421471360 is an abundant number, since it is smaller than the sum of its proper divisors (586110140).

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

421471360 is an equidigital number, since it uses as much as digits as its factorization.

421471360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658568 (or 658556 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 421471360 is about 20529.7676557724. The cubic root of 421471360 is about 749.7607296003.

The spelling of 421471360 in words is "four hundred twenty-one million, four hundred seventy-one thousand, three hundred sixty".