38433781250 has 42 divisors (see below), whose sum is σ = 72127455663. Its totient is φ = 15359650000.

The previous prime is 38433781189. The next prime is 38433781279. The reversal of 38433781250 is 5218733483.

It can be written as a sum of positive squares in 11 ways, for example, as 35116136449 + 3317644801 = 187393^2 + 57599^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=138625.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 34655696 + ... + 34656804.

Almost surely, 2^38433781250 is an apocalyptic number.

38433781250 is a deficient number, since it is larger than the sum of its proper divisors (33693674413).

38433781250 is an frugal number, since it uses more digits than its factorization.

38433781250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 38433781250 in words is "thirty-eight billion, four hundred thirty-three million, seven hundred eighty-one thousand, two hundred fifty".