420442341445 has 32 divisors (see below), whose sum is σ = 584305413120. Its totient is φ = 284458936320.

The previous prime is 420442341433. The next prime is 420442341509. The reversal of 420442341445 is 544143244024.

It is a happy number.

It is not a de Polignac number, because 420442341445 - 2⁷ = 420442341317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4043629 + ... + 4146301.

It is an arithmetic number, because the mean of its divisors is an integer number (18259544160).

Almost surely, 2^420442341445 is an apocalyptic number.

It is an amenable number.

420442341445 is a deficient number, since it is larger than the sum of its proper divisors (163863071675).

420442341445 is a wasteful number, since it uses less digits than its factorization.

420442341445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104245.

The product of its (nonzero) digits is 245760, while the sum is 37.

Adding to 420442341445 its reverse (544143244024), we get a palindrome (964585585469).

The spelling of 420442341445 in words is "four hundred twenty billion, four hundred forty-two million, three hundred forty-one thousand, four hundred forty-five".