46218371138 has 32 divisors (see below), whose sum is σ = 75807705600. Its totient is φ = 21038734080.

The previous prime is 46218371119. The next prime is 46218371197. The reversal of 46218371138 is 83117381264.

It is a super-2 number, since 2×46218371138² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2678045 + ... + 2695247.

It is an arithmetic number, because the mean of its divisors is an integer number (2368990800).

Almost surely, 2^46218371138 is an apocalyptic number.

46218371138 is a deficient number, since it is larger than the sum of its proper divisors (29589334462).

46218371138 is a wasteful number, since it uses less digits than its factorization.

46218371138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19802.

The product of its digits is 193536, while the sum is 44.

The spelling of 46218371138 in words is "forty-six billion, two hundred eighteen million, three hundred seventy-one thousand, one hundred thirty-eight".