40042013535513 has 24 divisors (see below), whose sum is σ = 63096802026336. Its totient is φ = 24267773203200.

The previous prime is 40042013535493. The next prime is 40042013535581. The reversal of 40042013535513 is 31553531024004.

40042013535513 is a `hidden beast` number, since 4 + 0 + 0 + 4 + 2 + 0 + 135 + 3 + 5 + 513 = 666.

It is not a de Polignac number, because 40042013535513 - 2⁶ = 40042013535449 is a prime.

It is a super-2 number, since 2×40042013535513² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40042013533513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23419018 + ... + 25070588.

It is an arithmetic number, because the mean of its divisors is an integer number (2629033417764).

Almost surely, 2^{40042013535513} is an apocalyptic number.

It is an amenable number.

40042013535513 is a deficient number, since it is larger than the sum of its proper divisors (23054788490823).

40042013535513 is a wasteful number, since it uses less digits than its factorization.

40042013535513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896485 (or 1896482 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 40042013535513 its reverse (31553531024004), we get a palindrome (71595544559517).

The spelling of 40042013535513 in words is "forty trillion, forty-two billion, thirteen million, five hundred thirty-five thousand, five hundred thirteen".