2440420443 has 12 divisors (see below), whose sum is σ = 3552809728. Its totient is φ = 1614135600.

The previous prime is 2440420429. The next prime is 2440420447. The reversal of 2440420443 is 3440240442.

It is a happy number.

It is not a de Polignac number, because 2440420443 - 2⁴ = 2440420427 is a prime.

It is a super-2 number, since 2×2440420443² = 11911303877224632498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2440420447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1066408 + ... + 1068693.

Almost surely, 2^2440420443 is an apocalyptic number.

2440420443 is a deficient number, since it is larger than the sum of its proper divisors (1112389285).

2440420443 is a wasteful number, since it uses less digits than its factorization.

2440420443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135234 (or 2135231 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 2440420443 is about 49400.6117674670. The cubic root of 2440420443 is about 1346.3404210908.

Adding to 2440420443 its reverse (3440240442), we get a palindrome (5880660885).

The spelling of 2440420443 in words is "two billion, four hundred forty million, four hundred twenty thousand, four hundred forty-three".