38891044850 has 48 divisors (see below), whose sum is σ = 83489852736. Its totient is φ = 13202040000.

The previous prime is 38891044807. The next prime is 38891044859. The reversal of 38891044850 is 5844019883.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (38891044859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 514736 + ... + 585435.

It is an arithmetic number, because the mean of its divisors is an integer number (1739371932).

Almost surely, 2^38891044850 is an apocalyptic number.

38891044850 is an abundant number, since it is smaller than the sum of its proper divisors (44598807886).

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

38891044850 is a wasteful number, since it uses less digits than its factorization.

38891044850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100291 (or 1100286 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 38891044850 in words is "thirty-eight billion, eight hundred ninety-one million, forty-four thousand, eight hundred fifty".