2065555296 has 384 divisors, whose sum is σ = 7431782400. Its totient is φ = 545149440.

The previous prime is 2065555243. The next prime is 2065555307. The reversal of 2065555296 is 6925555602.

2065555296 is a `hidden beast` number, since 2 + 0 + 6 + 5 + 5 + 552 + 96 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4311985 + ... + 4312463.

It is an arithmetic number, because the mean of its divisors is an integer number (19353600).

Almost surely, 2^2065555296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2065555296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3715891200).

2065555296 is an abundant number, since it is smaller than the sum of its proper divisors (5366227104).

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

2065555296 is a wasteful number, since it uses less digits than its factorization.

2065555296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The square root of 2065555296 is about 45448.3805652083. The cubic root of 2065555296 is about 1273.5390768544.

The spelling of 2065555296 in words is "two billion, sixty-five million, five hundred fifty-five thousand, two hundred ninety-six".