421030056 has 32 divisors (see below), whose sum is σ = 1053080640. Its totient is φ = 140275968.

The previous prime is 421030009. The next prime is 421030061. The reversal of 421030056 is 650030124.

It is a happy number.

It is a super-3 number, since 3×421030056³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88080 + ... + 92736.

It is an arithmetic number, because the mean of its divisors is an integer number (32908770).

Almost surely, 2^421030056 is an apocalyptic number.

It is an amenable number.

421030056 is an abundant number, since it is smaller than the sum of its proper divisors (632050584).

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

421030056 is a wasteful number, since it uses less digits than its factorization.

421030056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8433 (or 8429 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 421030056 is about 20519.0169355162. The cubic root of 421030056 is about 749.4989577946.

The spelling of 421030056 in words is "four hundred twenty-one million, thirty thousand, fifty-six".