38591067990 has 16 divisors (see below), whose sum is σ = 92618563248. Its totient is φ = 10290951456.

The previous prime is 38591067953. The next prime is 38591068003. The reversal of 38591067990 is 9976019583.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38591067990.

It is a congruent number.

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, 643184437 + ... + 643184496.

It is an arithmetic number, because the mean of its divisors is an integer number (5788660203).

Almost surely, 2^38591067990 is an apocalyptic number.

38591067990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38591067990 is an abundant number, since it is smaller than the sum of its proper divisors (54027495258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38591067990 is a wasteful number, since it uses less digits than its factorization.

38591067990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286368943.

The product of its (nonzero) digits is 3674160, while the sum is 57.

The spelling of 38591067990 in words is "thirty-eight billion, five hundred ninety-one million, sixty-seven thousand, nine hundred ninety".