420300140432 has 20 divisors (see below), whose sum is σ = 823481317260. Its totient is φ = 207788832768.

The previous prime is 420300140423. The next prime is 420300140443. The reversal of 420300140432 is 234041003024.

It can be written as a sum of positive squares in 2 ways, for example, as 125837629696 + 294462510736 = 354736^2 + 542644^2 .

It is a super-2 number, since 2×420300140432² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420300140398 and 420300140407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147575873 + ... + 147578720.

It is an arithmetic number, because the mean of its divisors is an integer number (41174065863).

Almost surely, 2^420300140432 is an apocalyptic number.

It is an amenable number.

420300140432 is a deficient number, since it is larger than the sum of its proper divisors (403181176828).

420300140432 is a wasteful number, since it uses less digits than its factorization.

420300140432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295154690 (or 295154684 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 420300140432 its reverse (234041003024), we get a palindrome (654341143456).

The spelling of 420300140432 in words is "four hundred twenty billion, three hundred million, one hundred forty thousand, four hundred thirty-two".