421431260 has 12 divisors (see below), whose sum is σ = 885005688. Its totient is φ = 168572496.

The previous prime is 421431253. The next prime is 421431301. The reversal of 421431260 is 62134124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10535762 + ... + 10535801.

It is an arithmetic number, because the mean of its divisors is an integer number (73750474).

Almost surely, 2^421431260 is an apocalyptic number.

It is an amenable number.

421431260 is an abundant number, since it is smaller than the sum of its proper divisors (463574428).

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

421431260 is a wasteful number, since it uses less digits than its factorization.

421431260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21071572 (or 21071570 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 421431260 is about 20528.7910019075. The cubic root of 421431260 is about 749.7369507138.

Adding to 421431260 its reverse (62134124), we get a palindrome (483565384).

The spelling of 421431260 in words is "four hundred twenty-one million, four hundred thirty-one thousand, two hundred sixty".