38831194550 has 12 divisors (see below), whose sum is σ = 72226021956. Its totient is φ = 15532477800.

The previous prime is 38831194547. The next prime is 38831194553. The reversal of 38831194550 is 5549113883.

It is an interprime number because it is at equal distance from previous prime (38831194547) and next prime (38831194553).

It is a junction number, because it is equal to n+sod(n) for n = 38831194495 and 38831194504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38831194553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 388311896 + ... + 388311995.

It is an arithmetic number, because the mean of its divisors is an integer number (6018835163).

Almost surely, 2^38831194550 is an apocalyptic number.

38831194550 is a deficient number, since it is larger than the sum of its proper divisors (33394827406).

38831194550 is a wasteful number, since it uses less digits than its factorization.

38831194550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776623903 (or 776623898 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 38831194550 in words is "thirty-eight billion, eight hundred thirty-one million, one hundred ninety-four thousand, five hundred fifty".