13040362443 has 8 divisors (see below), whose sum is σ = 17948025856. Its totient is φ = 8413137000.

The previous prime is 13040362429. The next prime is 13040362451. The reversal of 13040362443 is 34426304031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13040362443 - 2⁵ = 13040362411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13040362443.

It is not an unprimeable number, because it can be changed into a prime (13040362403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70109383 + ... + 70109568.

It is an arithmetic number, because the mean of its divisors is an integer number (2243503232).

Almost surely, 2^13040362443 is an apocalyptic number.

13040362443 is a deficient number, since it is larger than the sum of its proper divisors (4907663413).

13040362443 is a wasteful number, since it uses less digits than its factorization.

13040362443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140218985.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 13040362443 its reverse (34426304031), we get a palindrome (47466666474).

The spelling of 13040362443 in words is "thirteen billion, forty million, three hundred sixty-two thousand, four hundred forty-three".