38403665521036 has 12 divisors (see below), whose sum is σ = 67206466605600. Its totient is φ = 19201817919440.

The previous prime is 38403665520977. The next prime is 38403665521037. The reversal of 38403665521036 is 63012556630483.

It is not an unprimeable number, because it can be changed into a prime (38403665521037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3801990 + ... + 9553138.

It is an arithmetic number, because the mean of its divisors is an integer number (5600538883800).

Almost surely, 2^{38403665521036} is an apocalyptic number.

It is an amenable number.

38403665521036 is a deficient number, since it is larger than the sum of its proper divisors (28802801084564).

38403665521036 is a wasteful number, since it uses less digits than its factorization.

38403665521036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7420544 (or 7420542 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 52.

The spelling of 38403665521036 in words is "thirty-eight trillion, four hundred three billion, six hundred sixty-five million, five hundred twenty-one thousand, thirty-six".