421000430250 has 32 divisors (see below), whose sum is σ = 1050817075776. Its totient is φ = 112266781200.

The previous prime is 421000430243. The next prime is 421000430297. The reversal of 421000430250 is 52034000124.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280666204 + ... + 280667703.

It is an arithmetic number, because the mean of its divisors is an integer number (32838033618).

Almost surely, 2^421000430250 is an apocalyptic number.

421000430250 is an abundant number, since it is smaller than the sum of its proper divisors (629816645526).

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

421000430250 is a wasteful number, since it uses less digits than its factorization.

421000430250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561333927 (or 561333917 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 421000430250 its reverse (52034000124), we get a palindrome (473034430374).

The spelling of 421000430250 in words is "four hundred twenty-one billion, four hundred thirty thousand, two hundred fifty".