40121744730513 has 16 divisors (see below), whose sum is σ = 53543112697536. Its totient is φ = 26724113521920.

The previous prime is 40121744730503. The next prime is 40121744730521. The reversal of 40121744730513 is 31503744712104.

40121744730513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40121744730513 - 2⁴ = 40121744730497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40121744730503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14439981 + ... + 16992837.

It is an arithmetic number, because the mean of its divisors is an integer number (3346444543596).

Almost surely, 2^{40121744730513} is an apocalyptic number.

It is an amenable number.

40121744730513 is a deficient number, since it is larger than the sum of its proper divisors (13421367967023).

40121744730513 is a wasteful number, since it uses less digits than its factorization.

40121744730513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557504.

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 40121744730513 in words is "forty trillion, one hundred twenty-one billion, seven hundred forty-four million, seven hundred thirty thousand, five hundred thirteen".