4122443440 has 40 divisors (see below), whose sum is σ = 9741818448. Its totient is φ = 1621943040.

The previous prime is 4122443431. The next prime is 4122443443. The reversal of 4122443440 is 443442214.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 4122443399 and 4122443408.

It is not an unprimeable number, because it can be changed into a prime (4122443443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417502 + ... + 427261.

Almost surely, 2^4122443440 is an apocalyptic number.

4122443440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4122443440 is an abundant number, since it is smaller than the sum of its proper divisors (5619375008).

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

4122443440 is a wasteful number, since it uses less digits than its factorization.

4122443440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844837 (or 844831 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 4122443440 is about 64206.2570159638. The cubic root of 4122443440 is about 1603.4357731334.

Adding to 4122443440 its reverse (443442214), we get a palindrome (4565885654).

The spelling of 4122443440 in words is "four billion, one hundred twenty-two million, four hundred forty-three thousand, four hundred forty".