420443313441 has 8 divisors (see below), whose sum is σ = 560982291360. Its totient is φ = 280099938912.

The previous prime is 420443313419. The next prime is 420443313443. The reversal of 420443313441 is 144313344024.

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

It is not a de Polignac number, because 420443313441 - 2¹⁹ = 420442789153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420443313443) 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, 48895831 + ... + 48904428.

It is an arithmetic number, because the mean of its divisors is an integer number (70122786420).

Almost surely, 2^420443313441 is an apocalyptic number.

It is an amenable number.

420443313441 is a deficient number, since it is larger than the sum of its proper divisors (140538977919).

420443313441 is a wasteful number, since it uses less digits than its factorization.

420443313441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97801695.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 420443313441 its reverse (144313344024), we get a palindrome (564756657465).

The spelling of 420443313441 in words is "four hundred twenty billion, four hundred forty-three million, three hundred thirteen thousand, four hundred forty-one".