38403883867018 has 8 divisors (see below), whose sum is σ = 57605852674980. Its totient is φ = 19201932975360.

The previous prime is 38403883866947. The next prime is 38403883867021. The reversal of 38403883867018 is 81076838830483.

It can be written as a sum of positive squares in 2 ways, for example, as 33234567793249 + 5169316073769 = 5764943^2 + 2273613^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4399978 + ... + 9806506.

Almost surely, 2^{38403883867018} is an apocalyptic number.

38403883867018 is a deficient number, since it is larger than the sum of its proper divisors (19201968807962).

38403883867018 is a wasteful number, since it uses less digits than its factorization.

38403883867018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8958152.

The product of its (nonzero) digits is 148635648, while the sum is 67.

The spelling of 38403883867018 in words is "thirty-eight trillion, four hundred three billion, eight hundred eighty-three million, eight hundred sixty-seven thousand, eighteen".