4231421030420 has 24 divisors (see below), whose sum is σ = 8886026688000. Its totient is φ = 1692560312352.

The previous prime is 4231421030339. The next prime is 4231421030479. The reversal of 4231421030420 is 240301241324.

It is a self number, because there is not a number n which added to its sum of digits gives 4231421030420.

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 7 ways as a sum of consecutive naturals, for example, 5537141 + ... + 6254819.

It is an arithmetic number, because the mean of its divisors is an integer number (370251112000).

Almost surely, 2^{4231421030420} is an apocalyptic number.

It is an amenable number.

4231421030420 is an abundant number, since it is smaller than the sum of its proper divisors (4654605657580).

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

4231421030420 is a wasteful number, since it uses less digits than its factorization.

4231421030420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012487 (or 1012485 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 4231421030420 its reverse (240301241324), we get a palindrome (4471722271744).

The spelling of 4231421030420 in words is "four trillion, two hundred thirty-one billion, four hundred twenty-one million, thirty thousand, four hundred twenty".