13444140342 has 32 divisors (see below), whose sum is σ = 27726580224. Its totient is φ = 4343112000.

The previous prime is 13444140313. The next prime is 13444140349. The reversal of 13444140342 is 24304144431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444140349) 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, 143818 + ... + 218109.

It is an arithmetic number, because the mean of its divisors is an integer number (866455632).

Almost surely, 2^13444140342 is an apocalyptic number.

13444140342 is an abundant number, since it is smaller than the sum of its proper divisors (14282439882).

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

13444140342 is a wasteful number, since it uses less digits than its factorization.

13444140342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362124.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 13444140342 its reverse (24304144431), we get a palindrome (37748284773).

The spelling of 13444140342 in words is "thirteen billion, four hundred forty-four million, one hundred forty thousand, three hundred forty-two".