420144100 has 36 divisors (see below), whose sum is σ = 912785328. Its totient is φ = 167860000.

The previous prime is 420144071. The next prime is 420144113. The reversal of 420144100 is 1441024.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107175 + ... + 111025.

It is an arithmetic number, because the mean of its divisors is an integer number (25355148).

Almost surely, 2^420144100 is an apocalyptic number.

It is an amenable number.

420144100 is an abundant number, since it is smaller than the sum of its proper divisors (492641228).

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

420144100 is a wasteful number, since it uses less digits than its factorization.

420144100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4956 (or 4949 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 420144100 is about 20497.4169104304. The cubic root of 420144100 is about 748.9728754772.

Adding to 420144100 its reverse (1441024), we get a palindrome (421585124).

The spelling of 420144100 in words is "four hundred twenty million, one hundred forty-four thousand, one hundred".