421875672330 has 32 divisors (see below), whose sum is σ = 1157144701824. Its totient is φ = 96428725056.

The previous prime is 421875672287. The next prime is 421875672331. The reversal of 421875672330 is 33276578124.

It is a self number, because there is not a number n which added to its sum of digits gives 421875672330.

It is not an unprimeable number, because it can be changed into a prime (421875672331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1004465677 + ... + 1004466096.

It is an arithmetic number, because the mean of its divisors is an integer number (36160771932).

Almost surely, 2^421875672330 is an apocalyptic number.

421875672330 is an abundant number, since it is smaller than the sum of its proper divisors (735269029494).

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

421875672330 is a wasteful number, since it uses less digits than its factorization.

421875672330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008931790.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 421875672330 in words is "four hundred twenty-one billion, eight hundred seventy-five million, six hundred seventy-two thousand, three hundred thirty".