819850050 has 72 divisors (see below), whose sum is σ = 2223380016. Its totient is φ = 216570720.

The previous prime is 819850043. The next prime is 819850051. The reversal of 819850050 is 50058918.

It is a junction number, because it is equal to n+sod(n) for n = 819849987 and 819850014.

It is not an unprimeable number, because it can be changed into a prime (819850051) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 39637 + ... + 56663.

It is an arithmetic number, because the mean of its divisors is an integer number (30880278).

Almost surely, 2^819850050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 819850050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1111690008).

819850050 is an abundant number, since it is smaller than the sum of its proper divisors (1403529966).

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

819850050 is a wasteful number, since it uses less digits than its factorization.

819850050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17152 (or 17144 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The square root of 819850050 is about 28633.0237662738. The cubic root of 819850050 is about 935.9331052894.

The spelling of 819850050 in words is "eight hundred nineteen million, eight hundred fifty thousand, fifty".