2558950650 has 96 divisors (see below), whose sum is σ = 7062583680. Its totient is φ = 681298560.

The previous prime is 2558950637. The next prime is 2558950657. The reversal of 2558950650 is 560598552.

2558950650 is a `hidden beast` number, since 2 + 5 + 589 + 5 + 0 + 65 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 2558950596 and 2558950605.

It is not an unprimeable number, because it can be changed into a prime (2558950657) 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 47 ways as a sum of consecutive naturals, for example, 1196382 + ... + 1198518.

It is an arithmetic number, because the mean of its divisors is an integer number (73568580).

Almost surely, 2^2558950650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2558950650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3531291840).

2558950650 is an abundant number, since it is smaller than the sum of its proper divisors (4503633030).

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

2558950650 is a wasteful number, since it uses less digits than its factorization.

2558950650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045 (or 3034 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 45.

The square root of 2558950650 is about 50586.0716996289. The cubic root of 2558950650 is about 1367.7938189573.

The spelling of 2558950650 in words is "two billion, five hundred fifty-eight million, nine hundred fifty thousand, six hundred fifty".