40184258913 has 12 divisors (see below), whose sum is σ = 58046379300. Its totient is φ = 26788375296.

The previous prime is 40184258911. The next prime is 40184258969. The reversal of 40184258913 is 31985248104.

40184258913 is a `hidden beast` number, since 4 + 0 + 18 + 42 + 589 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16502742369 + 23681516544 = 128463^2 + 153888^2 .

It is not a de Polignac number, because 40184258913 - 2¹ = 40184258911 is a prime.

It is a super-2 number, since 2×40184258913² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40184258911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169813 + ... + 330461.

It is an arithmetic number, because the mean of its divisors is an integer number (4837198275).

Almost surely, 2^40184258913 is an apocalyptic number.

It is an amenable number.

40184258913 is a deficient number, since it is larger than the sum of its proper divisors (17862120387).

40184258913 is a wasteful number, since it uses less digits than its factorization.

40184258913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188448 (or 188445 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 40184258913 in words is "forty billion, one hundred eighty-four million, two hundred fifty-eight thousand, nine hundred thirteen".