457171616850 has 192 divisors, whose sum is σ = 1297516703616. Its totient is φ = 105530388480.

The previous prime is 457171616843. The next prime is 457171616851. The reversal of 457171616850 is 58616171754.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 457171616793 and 457171616802.

It is not an unprimeable number, because it can be changed into a prime (457171616851) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 9157657 + ... + 9207443.

It is an arithmetic number, because the mean of its divisors is an integer number (6757899498).

Almost surely, 2^457171616850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 457171616850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (648758351808).

457171616850 is an abundant number, since it is smaller than the sum of its proper divisors (840345086766).

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

457171616850 is a wasteful number, since it uses less digits than its factorization.

457171616850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50109 (or 50104 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 51.

The spelling of 457171616850 in words is "four hundred fifty-seven billion, one hundred seventy-one million, six hundred sixteen thousand, eight hundred fifty".