420004401144004 has 24 divisors (see below), whose sum is σ = 760353778883160. Its totient is φ = 202760483057664.

The previous prime is 420004401143891. The next prime is 420004401144037. The reversal of 420004401144004 is 400441104400024.

It can be written as a sum of positive squares in 4 ways, for example, as 46622130241600 + 373382270902404 = 6828040^2 + 19323102^2 .

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, 111421602 + ... + 115129414.

It is an arithmetic number, because the mean of its divisors is an integer number (31681407453465).

Almost surely, 2^{420004401144004} is an apocalyptic number.

It is an amenable number.

420004401144004 is a deficient number, since it is larger than the sum of its proper divisors (340349377739156).

420004401144004 is a wasteful number, since it uses less digits than its factorization.

420004401144004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4684359 (or 4684357 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 420004401144004 its reverse (400441104400024), we get a palindrome (820445505544028).

The spelling of 420004401144004 in words is "four hundred twenty trillion, four billion, four hundred one million, one hundred forty-four thousand, four".