420875430 has 32 divisors (see below), whose sum is σ = 1010815200. Its totient is φ = 112154112.

The previous prime is 420875419. The next prime is 420875447. The reversal of 420875430 is 34578024.

420875430 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×420875430² = 354272255155369800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420875391 and 420875400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47166 + ... + 55374.

It is an arithmetic number, because the mean of its divisors is an integer number (31587975).

Almost surely, 2^420875430 is an apocalyptic number.

420875430 is an abundant number, since it is smaller than the sum of its proper divisors (589939770).

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

420875430 is a wasteful number, since it uses less digits than its factorization.

420875430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9928.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 420875430 is about 20515.2487189407. The cubic root of 420875430 is about 749.4071937867.

The spelling of 420875430 in words is "four hundred twenty million, eight hundred seventy-five thousand, four hundred thirty".