13442511334540 has 48 divisors (see below), whose sum is σ = 28705726193760. Its totient is φ = 5287004835840.

The previous prime is 13442511334523. The next prime is 13442511334541. The reversal of 13442511334540 is 4543311524431.

It is a super-2 number, since 2×13442511334540² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13442511334493 and 13442511334502.

It is not an unprimeable number, because it can be changed into a prime (13442511334541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23249877 + ... + 23821036.

It is an arithmetic number, because the mean of its divisors is an integer number (598035962370).

Almost surely, 2^{13442511334540} is an apocalyptic number.

13442511334540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13442511334540 is an abundant number, since it is smaller than the sum of its proper divisors (15263214859220).

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

13442511334540 is a wasteful number, since it uses less digits than its factorization.

13442511334540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47071162 (or 47071160 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 13442511334540 its reverse (4543311524431), we get a palindrome (17985822858971).

The spelling of 13442511334540 in words is "thirteen trillion, four hundred forty-two billion, five hundred eleven million, three hundred thirty-four thousand, five hundred forty".