13124142420440 has 16 divisors (see below), whose sum is σ = 29529320446080. Its totient is φ = 5249656968160.

The previous prime is 13124142420439. The next prime is 13124142420457. The reversal of 13124142420440 is 4402424142131.

It is a super-2 number, since 2×13124142420440² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13124142420397 and 13124142420406.

It is a congruent number.

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, 164051780216 + ... + 164051780295.

It is an arithmetic number, because the mean of its divisors is an integer number (1845582527880).

Almost surely, 2^{13124142420440} is an apocalyptic number.

13124142420440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13124142420440 is an abundant number, since it is smaller than the sum of its proper divisors (16405178025640).

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

13124142420440 is a wasteful number, since it uses less digits than its factorization.

13124142420440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328103560522 (or 328103560518 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 13124142420440 its reverse (4402424142131), we get a palindrome (17526566562571).

The spelling of 13124142420440 in words is "thirteen trillion, one hundred twenty-four billion, one hundred forty-two million, four hundred twenty thousand, four hundred forty".