2540443122 has 96 divisors (see below), whose sum is σ = 6678849600. Its totient is φ = 713494656.

The previous prime is 2540443121. The next prime is 2540443141. The reversal of 2540443122 is 2213440452.

It is a super-2 number, since 2×2540443122² = 12907702512234213768, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2540443121) 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 47 ways as a sum of consecutive naturals, for example, 147978 + ... + 164250.

It is an arithmetic number, because the mean of its divisors is an integer number (69571350).

Almost surely, 2^2540443122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2540443122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3339424800).

2540443122 is an abundant number, since it is smaller than the sum of its proper divisors (4138406478).

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

2540443122 is a wasteful number, since it uses less digits than its factorization.

2540443122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16357 (or 16344 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2540443122 is about 50402.8086717397. The cubic root of 2540443122 is about 1364.4883289338.

Adding to 2540443122 its reverse (2213440452), we get a palindrome (4753883574).

The spelling of 2540443122 in words is "two billion, five hundred forty million, four hundred forty-three thousand, one hundred twenty-two".