42040105135253 has 16 divisors (see below), whose sum is σ = 43386029702400. Its totient is φ = 40710099640320.

The previous prime is 42040105135241. The next prime is 42040105135261. The reversal of 42040105135253 is 35253150104024.

It is not a de Polignac number, because 42040105135253 - 2¹⁶ = 42040105069717 is a prime.

It is a super-2 number, since 2×42040105135253² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42040105135213) 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, 1049108 + ... + 9229346.

It is an arithmetic number, because the mean of its divisors is an integer number (2711626856400).

Almost surely, 2^{42040105135253} is an apocalyptic number.

It is an amenable number.

42040105135253 is a deficient number, since it is larger than the sum of its proper divisors (1345924567147).

42040105135253 is a wasteful number, since it uses less digits than its factorization.

42040105135253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8181212.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 42040105135253 its reverse (35253150104024), we get a palindrome (77293255239277).

The spelling of 42040105135253 in words is "forty-two trillion, forty billion, one hundred five million, one hundred thirty-five thousand, two hundred fifty-three".