424440112420 has 12 divisors (see below), whose sum is σ = 891324236124. Its totient is φ = 169776044960.

The previous prime is 424440112373. The next prime is 424440112469. The reversal of 424440112420 is 24211044424.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 225343887616 + 199096224804 = 474704^2 + 446202^2 .

It is a super-2 number, since 2×424440112420² (a number of 24 digits) contains 22 as substring.

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, 10611002791 + ... + 10611002830.

It is an arithmetic number, because the mean of its divisors is an integer number (74277019677).

Almost surely, 2^424440112420 is an apocalyptic number.

It is an amenable number.

424440112420 is an abundant number, since it is smaller than the sum of its proper divisors (466884123704).

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

424440112420 is a wasteful number, since it uses less digits than its factorization.

424440112420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21222005630 (or 21222005628 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 424440112420 its reverse (24211044424), we get a palindrome (448651156844).

The spelling of 424440112420 in words is "four hundred twenty-four billion, four hundred forty million, one hundred twelve thousand, four hundred twenty".