40183608138 has 8 divisors (see below), whose sum is σ = 80367216288. Its totient is φ = 13394536044.

The previous prime is 40183608133. The next prime is 40183608139. The reversal of 40183608138 is 83180638104.

It is a sphenic number, since it is the product of 3 distinct primes.

40183608138 is an admirable number.

It is a super-2 number, since 2×40183608138² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40183608138.

It is not an unprimeable number, because it can be changed into a prime (40183608133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3348634006 + ... + 3348634017.

It is an arithmetic number, because the mean of its divisors is an integer number (10045902036).

Almost surely, 2^40183608138 is an apocalyptic number.

40183608138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40183608138 is a wasteful number, since it uses less digits than its factorization.

40183608138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6697268028.

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 40183608138 in words is "forty billion, one hundred eighty-three million, six hundred eight thousand, one hundred thirty-eight".