4144393572 has 24 divisors (see below), whose sum is σ = 10549365792. Its totient is φ = 1255876800.

The previous prime is 4144393549. The next prime is 4144393577. The reversal of 4144393572 is 2753934414.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4144393577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15698329 + ... + 15698592.

It is an arithmetic number, because the mean of its divisors is an integer number (439556908).

Almost surely, 2^4144393572 is an apocalyptic number.

It is an amenable number.

4144393572 is an abundant number, since it is smaller than the sum of its proper divisors (6404972220).

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

4144393572 is a wasteful number, since it uses less digits than its factorization.

4144393572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31396939 (or 31396937 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 4144393572 is about 64376.9646069151. The cubic root of 4144393572 is about 1606.2765919038.

The spelling of 4144393572 in words is "four billion, one hundred forty-four million, three hundred ninety-three thousand, five hundred seventy-two".