420241430 has 64 divisors (see below), whose sum is σ = 918812160. Its totient is φ = 135177984.

The previous prime is 420241427. The next prime is 420241453. The reversal of 420241430 is 34142024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140834 + ... + 143786.

It is an arithmetic number, because the mean of its divisors is an integer number (14356440).

Almost surely, 2^420241430 is an apocalyptic number.

420241430 is an abundant number, since it is smaller than the sum of its proper divisors (498570730).

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

420241430 is a wasteful number, since it uses less digits than its factorization.

420241430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 420241430 is about 20499.7909745441. The cubic root of 420241430 is about 749.0307063513.

Adding to 420241430 its reverse (34142024), we get a palindrome (454383454).

The spelling of 420241430 in words is "four hundred twenty million, two hundred forty-one thousand, four hundred thirty".