13424440425420 has 48 divisors (see below), whose sum is σ = 37588596218208. Its totient is φ = 3579835253760.

The previous prime is 13424440425401. The next prime is 13424440425449. The reversal of 13424440425420 is 2452404442431.

13424440425420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22331590 + ... + 22924850.

It is an arithmetic number, because the mean of its divisors is an integer number (783095754546).

Almost surely, 2^{13424440425420} is an apocalyptic number.

13424440425420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13424440425420 is an abundant number, since it is smaller than the sum of its proper divisors (24164155792788).

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

13424440425420 is a wasteful number, since it uses less digits than its factorization.

13424440425420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970410 (or 970408 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 39.

Adding to 13424440425420 its reverse (2452404442431), we get a palindrome (15876844867851).

The spelling of 13424440425420 in words is "thirteen trillion, four hundred twenty-four billion, four hundred forty million, four hundred twenty-five thousand, four hundred twenty".