13440363551043 has 32 divisors (see below), whose sum is σ = 21082159392000. Its totient is φ = 7508826368640.

The previous prime is 13440363551003. The next prime is 13440363551047. The reversal of 13440363551043 is 34015536304431.

It is not a de Polignac number, because 13440363551043 - 2⁹ = 13440363550531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13440363550986 and 13440363551004.

It is not an unprimeable number, because it can be changed into a prime (13440363551047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21056293 + ... + 21685206.

It is an arithmetic number, because the mean of its divisors is an integer number (658817481000).

Almost surely, 2^{13440363551043} is an apocalyptic number.

13440363551043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13440363551043 is a deficient number, since it is larger than the sum of its proper divisors (7641795840957).

13440363551043 is a wasteful number, since it uses less digits than its factorization.

13440363551043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42742259.

The product of its (nonzero) digits is 777600, while the sum is 42.

Adding to 13440363551043 its reverse (34015536304431), we get a palindrome (47455899855474).

The spelling of 13440363551043 in words is "thirteen trillion, four hundred forty billion, three hundred sixty-three million, five hundred fifty-one thousand, forty-three".