2443210040 has 32 divisors (see below), whose sum is σ = 5520836880. Its totient is φ = 973085952.

The previous prime is 2443210027. The next prime is 2443210043. The reversal of 2443210040 is 400123442.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2443209994 and 2443210021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443210043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121754 + ... + 140393.

Almost surely, 2^2443210040 is an apocalyptic number.

2443210040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2443210040 is an abundant number, since it is smaller than the sum of its proper divisors (3077626840).

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

2443210040 is a wasteful number, since it uses less digits than its factorization.

2443210040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262391 (or 262387 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2443210040 is about 49428.8381413118. The cubic root of 2443210040 is about 1346.8532175747.

Adding to 2443210040 its reverse (400123442), we get a palindrome (2843333482).

The spelling of 2443210040 in words is "two billion, four hundred forty-three million, two hundred ten thousand, forty".