421120344430 has 8 divisors (see below), whose sum is σ = 758016619992. Its totient is φ = 168448137768.

The previous prime is 421120344419. The next prime is 421120344443. The reversal of 421120344430 is 34443021124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21056017212 + ... + 21056017231.

It is an arithmetic number, because the mean of its divisors is an integer number (94752077499).

Almost surely, 2^421120344430 is an apocalyptic number.

421120344430 is a deficient number, since it is larger than the sum of its proper divisors (336896275562).

421120344430 is a wasteful number, since it uses less digits than its factorization.

421120344430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42112034450.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 421120344430 its reverse (34443021124), we get a palindrome (455563365554).

The spelling of 421120344430 in words is "four hundred twenty-one billion, one hundred twenty million, three hundred forty-four thousand, four hundred thirty".