39040404164 has 6 divisors (see below), whose sum is σ = 68320707294. Its totient is φ = 19520202080.

The previous prime is 39040404131. The next prime is 39040404241. The reversal of 39040404164 is 46140404093.

39040404164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 23728321600 + 15312082564 = 154040^2 + 123742^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4880050517 + ... + 4880050524.

It is an arithmetic number, because the mean of its divisors is an integer number (11386784549).

Almost surely, 2^39040404164 is an apocalyptic number.

It is an amenable number.

39040404164 is a deficient number, since it is larger than the sum of its proper divisors (29280303130).

39040404164 is a wasteful number, since it uses less digits than its factorization.

39040404164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9760101045 (or 9760101043 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 39040404164 in words is "thirty-nine billion, forty million, four hundred four thousand, one hundred sixty-four".