2505082140 has 288 divisors, whose sum is σ = 8788276224. Its totient is φ = 593775360.

The previous prime is 2505082051. The next prime is 2505082169. The reversal of 2505082140 is 412805052.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2512122 + ... + 2513118.

It is an arithmetic number, because the mean of its divisors is an integer number (30514848).

Almost surely, 2^2505082140 is an apocalyptic number.

2505082140 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 2505082140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4394138112).

2505082140 is an abundant number, since it is smaller than the sum of its proper divisors (6283194084).

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

2505082140 is a wasteful number, since it uses less digits than its factorization.

2505082140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079 (or 1065 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 2505082140 is about 50050.7955980722. The cubic root of 2505082140 is about 1358.1278558378.

Adding to 2505082140 its reverse (412805052), we get a palindrome (2917887192).

The spelling of 2505082140 in words is "two billion, five hundred five million, eighty-two thousand, one hundred forty".