2443122540 has 96 divisors (see below), whose sum is σ = 7608269760. Its totient is φ = 650861568.

The previous prime is 2443122523. The next prime is 2443122541. The reversal of 2443122540 is 452213442.

2443122540 is a `hidden beast` number, since 2 + 4 + 431 + 225 + 4 + 0 = 666.

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 (2443122541) 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, 860964 + ... + 863796.

It is an arithmetic number, because the mean of its divisors is an integer number (79252810).

Almost surely, 2^2443122540 is an apocalyptic number.

2443122540 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 2443122540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3804134880).

2443122540 is an abundant number, since it is smaller than the sum of its proper divisors (5165147220).

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

2443122540 is a wasteful number, since it uses less digits than its factorization.

2443122540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448 (or 4440 counting only the distinct ones).

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

The square root of 2443122540 is about 49427.9530225560. The cubic root of 2443122540 is about 1346.8371388557.

Adding to 2443122540 its reverse (452213442), we get a palindrome (2895335982).

It can be divided in two parts, 24431 and 22540, that added together give a triangular number (46971 = T₃₀₆).

The spelling of 2443122540 in words is "two billion, four hundred forty-three million, one hundred twenty-two thousand, five hundred forty".