2520240443 has 16 divisors (see below), whose sum is σ = 2950642944. Its totient is φ = 2108034720.

The previous prime is 2520240407. The next prime is 2520240473. The reversal of 2520240443 is 3440420252.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2520240443 - 2⁸ = 2520240187 is a prime.

It is a super-2 number, since 2×2520240443² = 12703223781065672498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520240473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25073 + ... + 75293.

It is an arithmetic number, because the mean of its divisors is an integer number (184415184).

Almost surely, 2^2520240443 is an apocalyptic number.

2520240443 is a deficient number, since it is larger than the sum of its proper divisors (430402501).

2520240443 is a wasteful number, since it uses less digits than its factorization.

2520240443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50402.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 2520240443 is about 50201.9964045256. The cubic root of 2520240443 is about 1360.8617021402.

Adding to 2520240443 its reverse (3440420252), we get a palindrome (5960660695).

The spelling of 2520240443 in words is "two billion, five hundred twenty million, two hundred forty thousand, four hundred forty-three".