2539320210 has 96 divisors (see below), whose sum is σ = 7578230400. Its totient is φ = 577891584.

The previous prime is 2539320191. The next prime is 2539320211. The reversal of 2539320210 is 120239352.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2539320211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138141 + ... + 155439.

It is an arithmetic number, because the mean of its divisors is an integer number (78939900).

Almost surely, 2^2539320210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2539320210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3789115200).

2539320210 is an abundant number, since it is smaller than the sum of its proper divisors (5038910190).

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

2539320210 is a wasteful number, since it uses less digits than its factorization.

2539320210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17552 (or 17549 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 2539320210 is about 50391.6680612976. The cubic root of 2539320210 is about 1364.2872582214.

Adding to 2539320210 its reverse (120239352), we get a palindrome (2659559562).

The spelling of 2539320210 in words is "two billion, five hundred thirty-nine million, three hundred twenty thousand, two hundred ten".