4425131221424 has 20 divisors (see below), whose sum is σ = 8573813246040. Its totient is φ = 2212534254720.

The previous prime is 4425131221411. The next prime is 4425131221439. The reversal of 4425131221424 is 4241221315244.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773714 + ... + 3073905.

It is an arithmetic number, because the mean of its divisors is an integer number (428690662302).

Almost surely, 2^{4425131221424} is an apocalyptic number.

It is an amenable number.

4425131221424 is a deficient number, since it is larger than the sum of its proper divisors (4148682024616).

4425131221424 is a wasteful number, since it uses less digits than its factorization.

4425131221424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3919508 (or 3919502 counting only the distinct ones).

The product of its digits is 61440, while the sum is 35.

Adding to 4425131221424 its reverse (4241221315244), we get a palindrome (8666352536668).

The spelling of 4425131221424 in words is "four trillion, four hundred twenty-five billion, one hundred thirty-one million, two hundred twenty-one thousand, four hundred twenty-four".