40340513122044 has 12 divisors (see below), whose sum is σ = 94127863951464. Its totient is φ = 13446837707344.

The previous prime is 40340513122033. The next prime is 40340513122099. The reversal of 40340513122044 is 44022131504304.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 40340513121996 and 40340513122014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1680854713407 + ... + 1680854713430.

It is an arithmetic number, because the mean of its divisors is an integer number (7843988662622).

Almost surely, 2^{40340513122044} is an apocalyptic number.

It is an amenable number.

40340513122044 is an abundant number, since it is smaller than the sum of its proper divisors (53787350829420).

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

40340513122044 is a wasteful number, since it uses less digits than its factorization.

40340513122044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361709426844 (or 3361709426842 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 40340513122044 its reverse (44022131504304), we get a palindrome (84362644626348).

The spelling of 40340513122044 in words is "forty trillion, three hundred forty billion, five hundred thirteen million, one hundred twenty-two thousand, forty-four".