421312342404 has 24 divisors (see below), whose sum is σ = 988052300928. Its totient is φ = 139724566240.

The previous prime is 421312342397. The next prime is 421312342427. The reversal of 421312342404 is 404243213124.

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, 89107692 + ... + 89112419.

It is an arithmetic number, because the mean of its divisors is an integer number (41168845872).

Almost surely, 2^421312342404 is an apocalyptic number.

It is an amenable number.

421312342404 is an abundant number, since it is smaller than the sum of its proper divisors (566739958524).

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

421312342404 is a wasteful number, since it uses less digits than its factorization.

421312342404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178220315 (or 178220313 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 421312342404 its reverse (404243213124), we get a palindrome (825555555528).

The spelling of 421312342404 in words is "four hundred twenty-one billion, three hundred twelve million, three hundred forty-two thousand, four hundred four".