38777440644716 has 24 divisors (see below), whose sum is σ = 67884354306720. Its totient is φ = 19381911818112.

The previous prime is 38777440644703. The next prime is 38777440644773. The reversal of 38777440644716 is 61744604477783.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors.

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, 169103210 + ... + 169332366.

It is an arithmetic number, because the mean of its divisors is an integer number (2828514762780).

Almost surely, 2^{38777440644716} is an apocalyptic number.

It is an amenable number.

38777440644716 is a deficient number, since it is larger than the sum of its proper divisors (29106913662004).

38777440644716 is a wasteful number, since it uses less digits than its factorization.

38777440644716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243833 (or 243831 counting only the distinct ones).

The product of its (nonzero) digits is 531062784, while the sum is 68.

The spelling of 38777440644716 in words is "thirty-eight trillion, seven hundred seventy-seven billion, four hundred forty million, six hundred forty-four thousand, seven hundred sixteen".