40243452034135 has 32 divisors (see below), whose sum is σ = 55895215813632. Its totient is φ = 27245030883840.

The previous prime is 40243452034133. The next prime is 40243452034187. The reversal of 40243452034135 is 53143025434204.

It is not a de Polignac number, because 40243452034135 - 2¹ = 40243452034133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40243452034133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15669634 + ... + 18056143.

It is an arithmetic number, because the mean of its divisors is an integer number (1746725494176).

Almost surely, 2^{40243452034135} is an apocalyptic number.

40243452034135 is a deficient number, since it is larger than the sum of its proper divisors (15651763779497).

40243452034135 is a wasteful number, since it uses less digits than its factorization.

40243452034135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33726223.

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 40243452034135 its reverse (53143025434204), we get a palindrome (93386477468339).

The spelling of 40243452034135 in words is "forty trillion, two hundred forty-three billion, four hundred fifty-two million, thirty-four thousand, one hundred thirty-five".