13400351044 has 12 divisors (see below), whose sum is σ = 23949563904. Its totient is φ = 6557618504.

The previous prime is 13400351039. The next prime is 13400351047. The reversal of 13400351044 is 44015300431.

It is not an unprimeable number, because it can be changed into a prime (13400351047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35639044 + ... + 35639419.

It is an arithmetic number, because the mean of its divisors is an integer number (1995796992).

Almost surely, 2^13400351044 is an apocalyptic number.

It is an amenable number.

13400351044 is a deficient number, since it is larger than the sum of its proper divisors (10549212860).

13400351044 is a wasteful number, since it uses less digits than its factorization.

13400351044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71278514 (or 71278512 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 13400351044 its reverse (44015300431), we get a palindrome (57415651475).

The spelling of 13400351044 in words is "thirteen billion, four hundred million, three hundred fifty-one thousand, forty-four".