421147056 has 40 divisors (see below), whose sum is σ = 1186870464. Its totient is φ = 127620160.

The previous prime is 421146983. The next prime is 421147081. The reversal of 421147056 is 650741124.

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, 398286 + ... + 399341.

Almost surely, 2^421147056 is an apocalyptic number.

It is an amenable number.

421147056 is an abundant number, since it is smaller than the sum of its proper divisors (765723408).

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

421147056 is a wasteful number, since it uses less digits than its factorization.

421147056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797649 (or 797643 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 421147056 is about 20521.8677512550. The cubic root of 421147056 is about 749.5683774280.

The spelling of 421147056 in words is "four hundred twenty-one million, one hundred forty-seven thousand, fifty-six".