4420425540 has 48 divisors (see below), whose sum is σ = 12390420672. Its totient is φ = 1177520256.

The previous prime is 4420425539. The next prime is 4420425547. The reversal of 4420425540 is 455240244.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4420425498 and 4420425507.

It is not an unprimeable number, because it can be changed into a prime (4420425547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17922 + ... + 95718.

It is an arithmetic number, because the mean of its divisors is an integer number (258133764).

Almost surely, 2^4420425540 is an apocalyptic number.

It is an amenable number.

4420425540 is an abundant number, since it is smaller than the sum of its proper divisors (7969995132).

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

4420425540 is a wasteful number, since it uses less digits than its factorization.

4420425540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78756 (or 78754 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 4420425540 is about 66486.2808404862. The cubic root of 4420425540 is about 1641.1742457891.

Adding to 4420425540 its reverse (455240244), we get a palindrome (4875665784).

The spelling of 4420425540 in words is "four billion, four hundred twenty million, four hundred twenty-five thousand, five hundred forty".