13124204034440 has 128 divisors (see below), whose sum is σ = 31408862486400. Its totient is φ = 4921362800640.

The previous prime is 13124204034433. The next prime is 13124204034467. The reversal of 13124204034440 is 4443040242131.

It is a super-2 number, since 2×13124204034440² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13124204034397 and 13124204034406.

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, 834281375 + ... + 834297105.

It is an arithmetic number, because the mean of its divisors is an integer number (245381738175).

Almost surely, 2^{13124204034440} is an apocalyptic number.

13124204034440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13124204034440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15704431243200).

13124204034440 is an abundant number, since it is smaller than the sum of its proper divisors (18284658451960).

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

13124204034440 is a wasteful number, since it uses less digits than its factorization.

13124204034440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27175 (or 27171 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 13124204034440 its reverse (4443040242131), we get a palindrome (17567244276571).

The spelling of 13124204034440 in words is "thirteen trillion, one hundred twenty-four billion, two hundred four million, thirty-four thousand, four hundred forty".