4013240442343 has 6 divisors (see below), whose sum is σ = 4411247759072. Its totient is φ = 3648400402020.

The previous prime is 4013240442259. The next prime is 4013240442353. The reversal of 4013240442343 is 3432440423104.

It is a de Polignac number, because none of the positive numbers 2^k-4013240442343 is a prime.

It is a super-2 number, since 2×4013240442343² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4013240442299 and 4013240442308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013240442353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16583638071 + ... + 16583638312.

Almost surely, 2^{4013240442343} is an apocalyptic number.

4013240442343 is a deficient number, since it is larger than the sum of its proper divisors (398007316729).

4013240442343 is a wasteful number, since it uses less digits than its factorization.

4013240442343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33167276405 (or 33167276394 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 4013240442343 its reverse (3432440423104), we get a palindrome (7445680865447).

The spelling of 4013240442343 in words is "four trillion, thirteen billion, two hundred forty million, four hundred forty-two thousand, three hundred forty-three".