4240420044 has 24 divisors (see below), whose sum is σ = 11307787008. Its totient is φ = 1211548560.

The previous prime is 4240420043. The next prime is 4240420069. The reversal of 4240420044 is 4400240424.

It is a junction number, because it is equal to n+sod(n) for n = 4240419996 and 4240420023.

It is not an unprimeable number, because it can be changed into a prime (4240420043) 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, 25240512 + ... + 25240679.

It is an arithmetic number, because the mean of its divisors is an integer number (471157792).

Almost surely, 2^4240420044 is an apocalyptic number.

It is an amenable number.

4240420044 is an abundant number, since it is smaller than the sum of its proper divisors (7067366964).

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

4240420044 is a wasteful number, since it uses less digits than its factorization.

4240420044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50481205 (or 50481203 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 4240420044 is about 65118.5076917461. The cubic root of 4240420044 is about 1618.5879129229.

Adding to 4240420044 its reverse (4400240424), we get a palindrome (8640660468).

The spelling of 4240420044 in words is "four billion, two hundred forty million, four hundred twenty thousand, forty-four".