13044000031040 has 112 divisors (see below), whose sum is σ = 34293005449920. Its totient is φ = 4686124769280.

The previous prime is 13044000031031. The next prime is 13044000031043. The reversal of 13044000031040 is 4013000044031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13044000031043) 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, 22031225 + ... + 22615544.

It is an arithmetic number, because the mean of its divisors is an integer number (306187548660).

Almost surely, 2^{13044000031040} is an apocalyptic number.

13044000031040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13044000031040 is an abundant number, since it is smaller than the sum of its proper divisors (21249005418880).

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

13044000031040 is a wasteful number, since it uses less digits than its factorization.

13044000031040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44646880 (or 44646870 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13044000031040 its reverse (4013000044031), we get a palindrome (17057000075071).

The spelling of 13044000031040 in words is "thirteen trillion, forty-four billion, thirty-one thousand, forty".