40618866058 has 4 divisors (see below), whose sum is σ = 60928299090. Its totient is φ = 20309433028.

The previous prime is 40618866053. The next prime is 40618866059. The reversal of 40618866058 is 85066881604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20473889569 + 20144976489 = 143087^2 + 141933^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40618865996 and 40618866014.

It is not an unprimeable number, because it can be changed into a prime (40618866053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10154716513 + ... + 10154716516.

Almost surely, 2^40618866058 is an apocalyptic number.

40618866058 is a deficient number, since it is larger than the sum of its proper divisors (20309433032).

40618866058 is a wasteful number, since it uses less digits than its factorization.

40618866058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20309433031.

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 40618866058 in words is "forty billion, six hundred eighteen million, eight hundred sixty-six thousand, fifty-eight".