424121343420 has 96 divisors (see below), whose sum is σ = 1197386910720. Its totient is φ = 112164606720.

The previous prime is 424121343413. The next prime is 424121343427. The reversal of 424121343420 is 24343121424.

It is an interprime number because it is at equal distance from previous prime (424121343413) and next prime (424121343427).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424121343427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3953085 + ... + 4058955.

It is an arithmetic number, because the mean of its divisors is an integer number (12472780320).

Almost surely, 2^424121343420 is an apocalyptic number.

It is an amenable number.

424121343420 is an abundant number, since it is smaller than the sum of its proper divisors (773265567300).

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

424121343420 is a wasteful number, since it uses less digits than its factorization.

424121343420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106435 (or 106433 counting only the distinct ones).

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

Adding to 424121343420 its reverse (24343121424), we get a palindrome (448464464844).

The spelling of 424121343420 in words is "four hundred twenty-four billion, one hundred twenty-one million, three hundred forty-three thousand, four hundred twenty".