420422464464 has 20 divisors (see below), whose sum is σ = 1086091366656. Its totient is φ = 140140821472.

The previous prime is 420422464463. The next prime is 420422464471. The reversal of 420422464464 is 464464224024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420422464463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4379400624 + ... + 4379400719.

Almost surely, 2^420422464464 is an apocalyptic number.

It is an amenable number.

420422464464 is an abundant number, since it is smaller than the sum of its proper divisors (665668902192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420422464464 is a wasteful number, since it uses less digits than its factorization.

420422464464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8758801354 (or 8758801348 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 42.

Adding to 420422464464 its reverse (464464224024), we get a palindrome (884886688488).

The spelling of 420422464464 in words is "four hundred twenty billion, four hundred twenty-two million, four hundred sixty-four thousand, four hundred sixty-four".