420440420112 has 40 divisors (see below), whose sum is σ = 1094065781856. Its totient is φ = 139123835136.

The previous prime is 420440420087. The next prime is 420440420131. The reversal of 420440420112 is 211024044024.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 31961218 + ... + 31974369.

Almost surely, 2^420440420112 is an apocalyptic number.

It is an amenable number.

420440420112 is an abundant number, since it is smaller than the sum of its proper divisors (673625361744).

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

420440420112 is a wasteful number, since it uses less digits than its factorization.

420440420112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63935735 (or 63935729 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 420440420112 its reverse (211024044024), we get a palindrome (631464464136).

The spelling of 420440420112 in words is "four hundred twenty billion, four hundred forty million, four hundred twenty thousand, one hundred twelve".