2505052140 has 96 divisors (see below), whose sum is σ = 7094083584. Its totient is φ = 660441600.

The previous prime is 2505052073. The next prime is 2505052141. The reversal of 2505052140 is 412505052.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2505052140.

It is not an unprimeable number, because it can be changed into a prime (2505052141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4167840 + ... + 4168440.

It is an arithmetic number, because the mean of its divisors is an integer number (73896704).

Almost surely, 2^2505052140 is an apocalyptic number.

2505052140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2505052140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3547041792).

2505052140 is an abundant number, since it is smaller than the sum of its proper divisors (4589031444).

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

2505052140 is a wasteful number, since it uses less digits than its factorization.

2505052140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287 (or 1285 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 2505052140 is about 50050.4959016392. The cubic root of 2505052140 is about 1358.1224343258.

Adding to 2505052140 its reverse (412505052), we get a palindrome (2917557192).

The spelling of 2505052140 in words is "two billion, five hundred five million, fifty-two thousand, one hundred forty".