2440542540 has 48 divisors (see below), whose sum is σ = 6882704640. Its totient is φ = 646127040.

The previous prime is 2440542521. The next prime is 2440542557. The reversal of 2440542540 is 452450442.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2440542498 and 2440542507.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 137976 + ... + 154655.

It is an arithmetic number, because the mean of its divisors is an integer number (143389680).

Almost surely, 2^2440542540 is an apocalyptic number.

2440542540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440542540 is an abundant number, since it is smaller than the sum of its proper divisors (4442162100).

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

2440542540 is a wasteful number, since it uses less digits than its factorization.

2440542540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292782 (or 292780 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 2440542540 is about 49401.8475363017. The cubic root of 2440542540 is about 1346.3628736953.

Adding to 2440542540 its reverse (452450442), we get a palindrome (2892992982).

The spelling of 2440542540 in words is "two billion, four hundred forty million, five hundred forty-two thousand, five hundred forty".