40161115530437 has 16 divisors (see below), whose sum is σ = 43870934249280. Its totient is φ = 36461109235200.

The previous prime is 40161115530397. The next prime is 40161115530467. The reversal of 40161115530437 is 73403551116104.

It is a cyclic number.

It is not a de Polignac number, because 40161115530437 - 2¹⁶ = 40161115464901 is a prime.

It is a super-2 number, since 2×40161115530437² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40161115530394 and 40161115530403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40161115530467) 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, 73592693 + ... + 74136405.

It is an arithmetic number, because the mean of its divisors is an integer number (2741933390580).

Almost surely, 2^{40161115530437} is an apocalyptic number.

It is an amenable number.

40161115530437 is a deficient number, since it is larger than the sum of its proper divisors (3709818718843).

40161115530437 is a wasteful number, since it uses less digits than its factorization.

40161115530437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552724.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 40161115530437 in words is "forty trillion, one hundred sixty-one billion, one hundred fifteen million, five hundred thirty thousand, four hundred thirty-seven".