420424020401424 has 160 divisors (see below), whose sum is σ = 1186711558932480. Its totient is φ = 127479531538944.

The previous prime is 420424020401377. The next prime is 420424020401477. The reversal of 420424020401424 is 424104020424024.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17628307 + ... + 33935309.

It is an arithmetic number, because the mean of its divisors is an integer number (7416947243328).

Almost surely, 2^{420424020401424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420424020401424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593355779466240).

420424020401424 is an abundant number, since it is smaller than the sum of its proper divisors (766287538531056).

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

420424020401424 is a wasteful number, since it uses less digits than its factorization.

420424020401424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16307629 (or 16307623 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 33.

Adding to 420424020401424 its reverse (424104020424024), we get a palindrome (844528040825448).

The spelling of 420424020401424 in words is "four hundred twenty trillion, four hundred twenty-four billion, twenty million, four hundred one thousand, four hundred twenty-four".