39911884066 has 16 divisors (see below), whose sum is σ = 60427481400. Its totient is φ = 19769453568.

The previous prime is 39911884057. The next prime is 39911884073. The reversal of 39911884066 is 66048811993.

It can be written as a sum of positive squares in 4 ways, for example, as 37899913041 + 2011971025 = 194679^2 + 44855^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39911883998 and 39911884016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1659906 + ... + 1683778.

Almost surely, 2^39911884066 is an apocalyptic number.

39911884066 is a deficient number, since it is larger than the sum of its proper divisors (20515597334).

39911884066 is a wasteful number, since it uses less digits than its factorization.

39911884066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31653.

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 39911884066 in words is "thirty-nine billion, nine hundred eleven million, eight hundred eighty-four thousand, sixty-six".