2612530140 has 96 divisors (see below), whose sum is σ = 8005906944. Its totient is φ = 631292160.

The previous prime is 2612530139. The next prime is 2612530147. The reversal of 2612530140 is 410352162.

It is a self number, because there is not a number n which added to its sum of digits gives 2612530140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2612530147) 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 31 ways as a sum of consecutive naturals, for example, 202977 + ... + 215463.

It is an arithmetic number, because the mean of its divisors is an integer number (83394864).

Almost surely, 2^2612530140 is an apocalyptic number.

2612530140 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 2612530140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4002953472).

2612530140 is an abundant number, since it is smaller than the sum of its proper divisors (5393376804).

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

2612530140 is a wasteful number, since it uses less digits than its factorization.

2612530140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12827 (or 12825 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2612530140 is about 51112.9155889194. The cubic root of 2612530140 is about 1377.2742774379.

It can be divided in two parts, 26125 and 30140, that added together give a palindrome (56265).

The spelling of 2612530140 in words is "two billion, six hundred twelve million, five hundred thirty thousand, one hundred forty".