421850042 has 8 divisors (see below), whose sum is σ = 633072000. Its totient is φ = 210826044.

The previous prime is 421850017. The next prime is 421850047. The reversal of 421850042 is 240058124.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 421849993 and 421850020.

It is not an unprimeable number, because it can be changed into a prime (421850047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44042 + ... + 52757.

It is an arithmetic number, because the mean of its divisors is an integer number (79134000).

Almost surely, 2^421850042 is an apocalyptic number.

421850042 is a deficient number, since it is larger than the sum of its proper divisors (211221958).

421850042 is a wasteful number, since it uses less digits than its factorization.

421850042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98980.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 421850042 is about 20538.9883392537. The cubic root of 421850042 is about 749.9852097824.

The spelling of 421850042 in words is "four hundred twenty-one million, eight hundred fifty thousand, forty-two".