421050444 has 24 divisors (see below), whose sum is σ = 1000989360. Its totient is φ = 137701824.

The previous prime is 421050439. The next prime is 421050479. The reversal of 421050444 is 444050124.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330379 + ... + 331650.

It is an arithmetic number, because the mean of its divisors is an integer number (41707890).

Almost surely, 2^421050444 is an apocalyptic number.

It is an amenable number.

421050444 is an abundant number, since it is smaller than the sum of its proper divisors (579938916).

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

421050444 is a wasteful number, since it uses less digits than its factorization.

421050444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662089 (or 662087 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 421050444 is about 20519.5137369286. The cubic root of 421050444 is about 749.5110555359.

The spelling of 421050444 in words is "four hundred twenty-one million, fifty thousand, four hundred forty-four".