2090866050 has 144 divisors (see below), whose sum is σ = 6913932480. Its totient is φ = 441141120.

The previous prime is 2090866033. The next prime is 2090866051. The reversal of 2090866050 is 506680902.

It is a junction number, because it is equal to n+sod(n) for n = 2090865996 and 2090866014.

It is not an unprimeable number, because it can be changed into a prime (2090866051) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15421 + ... + 66479.

It is an arithmetic number, because the mean of its divisors is an integer number (48013420).

Almost surely, 2^2090866050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2090866050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3456966240).

2090866050 is an abundant number, since it is smaller than the sum of its proper divisors (4823066430).

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

2090866050 is a wasteful number, since it uses less digits than its factorization.

2090866050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51097 (or 51089 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2090866050 is about 45725.9887809985. The cubic root of 2090866050 is about 1278.7198403060.

The spelling of 2090866050 in words is "two billion, ninety million, eight hundred sixty-six thousand, fifty".