420105545245441 has 24 divisors (see below), whose sum is σ = 476917021324800. Its totient is φ = 369398659027200.

The previous prime is 420105545245433. The next prime is 420105545245471. The reversal of 420105545245441 is 144542545501024.

It is a happy number.

It is not a de Polignac number, because 420105545245441 - 2³ = 420105545245433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420105545245391 and 420105545245400.

It is not an unprimeable number, because it can be changed into a prime (420105545245411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22559221 + ... + 36730498.

It is an arithmetic number, because the mean of its divisors is an integer number (19871542555200).

Almost surely, 2^{420105545245441} is an apocalyptic number.

It is an amenable number.

420105545245441 is a deficient number, since it is larger than the sum of its proper divisors (56811476079359).

420105545245441 is a wasteful number, since it uses less digits than its factorization.

420105545245441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59291661 (or 59291650 counting only the distinct ones).

The product of its (nonzero) digits is 2560000, while the sum is 46.

The spelling of 420105545245441 in words is "four hundred twenty trillion, one hundred five billion, five hundred forty-five million, two hundred forty-five thousand, four hundred forty-one".