424225431021504 has 224 divisors, whose sum is σ = 1359596757519360. Its totient is φ = 113963000020992.

The previous prime is 424225431021499. The next prime is 424225431021523. The reversal of 424225431021504 is 405120134522424.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

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, 13467877 + ... + 32091035.

Almost surely, 2^{424225431021504} 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 424225431021504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (679798378759680).

424225431021504 is an abundant number, since it is smaller than the sum of its proper divisors (935371326497856).

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

424225431021504 is a wasteful number, since it uses less digits than its factorization.

424225431021504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18624195 (or 18624185 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 39.

Adding to 424225431021504 its reverse (405120134522424), we get a palindrome (829345565543928).

The spelling of 424225431021504 in words is "four hundred twenty-four trillion, two hundred twenty-five billion, four hundred thirty-one million, twenty-one thousand, five hundred four".