46357278218 has 16 divisors (see below), whose sum is σ = 69631210440. Its totient is φ = 23146899456.

The previous prime is 46357278199. The next prime is 46357278299. The reversal of 46357278218 is 81287275364.

It can be written as a sum of positive squares in 4 ways, for example, as 33243134929 + 13114143289 = 182327^2 + 114517^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 46357278218.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5049080 + ... + 5058252.

Almost surely, 2^46357278218 is an apocalyptic number.

46357278218 is a deficient number, since it is larger than the sum of its proper divisors (23273932222).

46357278218 is a wasteful number, since it uses less digits than its factorization.

46357278218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12361.

The product of its digits is 4515840, while the sum is 53.

The spelling of 46357278218 in words is "forty-six billion, three hundred fifty-seven million, two hundred seventy-eight thousand, two hundred eighteen".