38513072236 has 24 divisors (see below), whose sum is σ = 68428052784. Its totient is φ = 18963025920.

The previous prime is 38513072209. The next prime is 38513072237. The reversal of 38513072236 is 63227031583.

It is not an unprimeable number, because it can be changed into a prime (38513072237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84291 + ... + 290053.

It is an arithmetic number, because the mean of its divisors is an integer number (2851168866).

Almost surely, 2^38513072236 is an apocalyptic number.

It is an amenable number.

38513072236 is a deficient number, since it is larger than the sum of its proper divisors (29914980548).

38513072236 is a wasteful number, since it uses less digits than its factorization.

38513072236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206481 (or 206479 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 38513072236 in words is "thirty-eight billion, five hundred thirteen million, seventy-two thousand, two hundred thirty-six".