40161134305237 has 16 divisors (see below), whose sum is σ = 44593164693504. Its totient is φ = 35863068654000.

The previous prime is 40161134305189. The next prime is 40161134305261. The reversal of 40161134305237 is 73250343116104.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40161134305237 - 2¹⁹ = 40161133780949 is a prime.

It is a super-2 number, since 2×40161134305237² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40161134305237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40161134303237) 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, 94664193 + ... + 95087494.

It is an arithmetic number, because the mean of its divisors is an integer number (2787072793344).

Almost surely, 2^{40161134305237} is an apocalyptic number.

It is an amenable number.

40161134305237 is a deficient number, since it is larger than the sum of its proper divisors (4432030388267).

40161134305237 is a wasteful number, since it uses less digits than its factorization.

40161134305237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189752040.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 40161134305237 in words is "forty trillion, one hundred sixty-one billion, one hundred thirty-four million, three hundred five thousand, two hundred thirty-seven".