4442425540 has 24 divisors (see below), whose sum is σ = 10661821632. Its totient is φ = 1523117280.

The previous prime is 4442425489. The next prime is 4442425543. The reversal of 4442425540 is 455242444.

It is a junction number, because it is equal to n+sod(n) for n = 4442425496 and 4442425505.

It is not an unprimeable number, because it can be changed into a prime (4442425543) 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, 15865666 + ... + 15865945.

It is an arithmetic number, because the mean of its divisors is an integer number (444242568).

Almost surely, 2^4442425540 is an apocalyptic number.

It is an amenable number.

4442425540 is an abundant number, since it is smaller than the sum of its proper divisors (6219396092).

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

4442425540 is a wasteful number, since it uses less digits than its factorization.

4442425540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31731627 (or 31731625 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 34.

The square root of 4442425540 is about 66651.5231633906. The cubic root of 4442425540 is about 1643.8923928558.

Adding to 4442425540 its reverse (455242444), we get a palindrome (4897667984).

The spelling of 4442425540 in words is "four billion, four hundred forty-two million, four hundred twenty-five thousand, five hundred forty".