4125444240 has 40 divisors (see below), whose sum is σ = 12788877888. Its totient is φ = 1100118400.

The previous prime is 4125444221. The next prime is 4125444259. The reversal of 4125444240 is 424445214.

It is an interprime number because it is at equal distance from previous prime (4125444221) and next prime (4125444259).

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

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 = 4125444198 and 4125444207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8594436 + ... + 8594915.

Almost surely, 2^4125444240 is an apocalyptic number.

4125444240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4125444240 is an abundant number, since it is smaller than the sum of its proper divisors (8663433648).

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

4125444240 is a wasteful number, since it uses less digits than its factorization.

4125444240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17189367 (or 17189361 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

The square root of 4125444240 is about 64229.6212039274. The cubic root of 4125444240 is about 1603.8247352566.

Adding to 4125444240 its reverse (424445214), we get a palindrome (4549889454).

The spelling of 4125444240 in words is "four billion, one hundred twenty-five million, four hundred forty-four thousand, two hundred forty".