421031434120 has 64 divisors (see below), whose sum is σ = 1039150607040. Its totient is φ = 152256441600.

The previous prime is 421031434091. The next prime is 421031434141. The reversal of 421031434120 is 21434130124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2563702 + ... + 2722981.

It is an arithmetic number, because the mean of its divisors is an integer number (16236728235).

Almost surely, 2^421031434120 is an apocalyptic number.

421031434120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421031434120 is an abundant number, since it is smaller than the sum of its proper divisors (618119172920).

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

421031434120 is a wasteful number, since it uses less digits than its factorization.

421031434120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286886 (or 5286882 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 421031434120 its reverse (21434130124), we get a palindrome (442465564244).

The spelling of 421031434120 in words is "four hundred twenty-one billion, thirty-one million, four hundred thirty-four thousand, one hundred twenty".