420401344444311 has 8 divisors (see below), whose sum is σ = 560565594832624. Its totient is φ = 280252328509440.

The previous prime is 420401344444261. The next prime is 420401344444327. The reversal of 420401344444311 is 113444443104024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420401344444311 - 2⁷ = 420401344444183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420401344444311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420401344444331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3808548970 + ... + 3808659351.

It is an arithmetic number, because the mean of its divisors is an integer number (70070699354078).

Almost surely, 2^{420401344444311} is an apocalyptic number.

420401344444311 is a deficient number, since it is larger than the sum of its proper divisors (140164250388313).

420401344444311 is a wasteful number, since it uses less digits than its factorization.

420401344444311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7617226721.

The product of its (nonzero) digits is 294912, while the sum is 39.

Adding to 420401344444311 its reverse (113444443104024), we get a palindrome (533845787548335).

The spelling of 420401344444311 in words is "four hundred twenty trillion, four hundred one billion, three hundred forty-four million, four hundred forty-four thousand, three hundred eleven".