420240550241443 has 16 divisors (see below), whose sum is σ = 430900810434720. Its totient is φ = 409712491584000.

The previous prime is 420240550241437. The next prime is 420240550241467. The reversal of 420240550241443 is 344142055042024.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420240550241443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420240550241396 and 420240550241405.

It is not an unprimeable number, because it can be changed into a prime (420240550241243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5753713 + ... + 29556493.

It is an arithmetic number, because the mean of its divisors is an integer number (26931300652170).

Almost surely, 2^{420240550241443} is an apocalyptic number.

420240550241443 is a deficient number, since it is larger than the sum of its proper divisors (10660260193277).

420240550241443 is a wasteful number, since it uses less digits than its factorization.

420240550241443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23805558.

The product of its (nonzero) digits is 614400, while the sum is 40.

The spelling of 420240550241443 in words is "four hundred twenty trillion, two hundred forty billion, five hundred fifty million, two hundred forty-one thousand, four hundred forty-three".