2440400533443 has 24 divisors (see below), whose sum is σ = 3639344282496. Its totient is φ = 1574187638400.

The previous prime is 2440400533423. The next prime is 2440400533511. The reversal of 2440400533443 is 3443350040442.

2440400533443 is a `hidden beast` number, since 2 + 4 + 40 + 40 + 0 + 533 + 4 + 43 = 666.

It is not a de Polignac number, because 2440400533443 - 2¹⁰ = 2440400532419 is a prime.

It is a super-2 number, since 2×2440400533443² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2440400533398 and 2440400533407.

It is not an unprimeable number, because it can be changed into a prime (2440400533423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 937471 + ... + 2399927.

It is an arithmetic number, because the mean of its divisors is an integer number (151639345104).

Almost surely, 2^{2440400533443} is an apocalyptic number.

2440400533443 is a deficient number, since it is larger than the sum of its proper divisors (1198943749053).

2440400533443 is a wasteful number, since it uses less digits than its factorization.

2440400533443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468475 (or 1468472 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 36.

Adding to 2440400533443 its reverse (3443350040442), we get a palindrome (5883750573885).

The spelling of 2440400533443 in words is "two trillion, four hundred forty billion, four hundred million, five hundred thirty-three thousand, four hundred forty-three".