4544425242 has 64 divisors (see below), whose sum is σ = 11608277760. Its totient is φ = 1290883392.

The previous prime is 4544425229. The next prime is 4544425271. The reversal of 4544425242 is 2425244454.

It is a junction number, because it is equal to n+sod(n) for n = 4544425197 and 4544425206.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30648 + ... + 100140.

It is an arithmetic number, because the mean of its divisors is an integer number (181379340).

Almost surely, 2^4544425242 is an apocalyptic number.

4544425242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4544425242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5804138880).

4544425242 is an abundant number, since it is smaller than the sum of its proper divisors (7063852518).

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

4544425242 is a wasteful number, since it uses less digits than its factorization.

4544425242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69684 (or 69678 counting only the distinct ones).

The product of its digits is 204800, while the sum is 36.

The square root of 4544425242 is about 67412.3522954065. The cubic root of 4544425242 is about 1656.3787662802.

Adding to 4544425242 its reverse (2425244454), we get a palindrome (6969669696).

It can be divided in two parts, 454442 and 5242, that added together give a square (459684 = 678²).

The spelling of 4544425242 in words is "four billion, five hundred forty-four million, four hundred twenty-five thousand, two hundred forty-two".