421144050430 has 8 divisors (see below), whose sum is σ = 758059290792. Its totient is φ = 168457620168.

The previous prime is 421144050391. The next prime is 421144050491. The reversal of 421144050430 is 34050441124.

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

It is a super-2 number, since 2×421144050430² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 21057202512 + ... + 21057202531.

It is an arithmetic number, because the mean of its divisors is an integer number (94757411349).

Almost surely, 2^421144050430 is an apocalyptic number.

421144050430 is a deficient number, since it is larger than the sum of its proper divisors (336915240362).

421144050430 is a wasteful number, since it uses less digits than its factorization.

421144050430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42114405050.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 421144050430 its reverse (34050441124), we get a palindrome (455194491554).

The spelling of 421144050430 in words is "four hundred twenty-one billion, one hundred forty-four million, fifty thousand, four hundred thirty".