13440302042 has 16 divisors (see below), whose sum is σ = 21298158240. Its totient is φ = 6343470288.

The previous prime is 13440302021. The next prime is 13440302047. The reversal of 13440302042 is 24020304431.

It is a junction number, because it is equal to n+sod(n) for n = 13440301999 and 13440302017.

It is not an unprimeable number, because it can be changed into a prime (13440302047) 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, 627908 + ... + 648959.

It is an arithmetic number, because the mean of its divisors is an integer number (1331134890).

Almost surely, 2^13440302042 is an apocalyptic number.

13440302042 is a deficient number, since it is larger than the sum of its proper divisors (7857856198).

13440302042 is a wasteful number, since it uses less digits than its factorization.

13440302042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277165.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 13440302042 its reverse (24020304431), we get a palindrome (37460606473).

The spelling of 13440302042 in words is "thirteen billion, four hundred forty million, three hundred two thousand, forty-two".