38362545818728 has 16 divisors (see below), whose sum is σ = 71979968667780. Its totient is φ = 19167887507328.

The previous prime is 38362545818711. The next prime is 38362545818771. The reversal of 38362545818728 is 82781854526383.

It can be written as a sum of positive squares in 2 ways, for example, as 38266818696324 + 95727122404 = 6186018^2 + 309398^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1673163075 + ... + 1673186002.

Almost surely, 2^{38362545818728} is an apocalyptic number.

It is an amenable number.

38362545818728 is a deficient number, since it is larger than the sum of its proper divisors (33617422849052).

38362545818728 is a wasteful number, since it uses less digits than its factorization.

38362545818728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346350516 (or 3346350512 counting only the distinct ones).

The product of its digits is 619315200, while the sum is 70.

The spelling of 38362545818728 in words is "thirty-eight trillion, three hundred sixty-two billion, five hundred forty-five million, eight hundred eighteen thousand, seven hundred twenty-eight".