4440440398 has 8 divisors (see below), whose sum is σ = 6950254608. Its totient is φ = 2123688864.

The previous prime is 4440440393. The next prime is 4440440483. The reversal of 4440440398 is 8930440444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4440440398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440440393) 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 3 ways as a sum of consecutive naturals, for example, 48265611 + ... + 48265702.

It is an arithmetic number, because the mean of its divisors is an integer number (868781826).

Almost surely, 2^4440440398 is an apocalyptic number.

4440440398 is a deficient number, since it is larger than the sum of its proper divisors (2509814210).

4440440398 is a wasteful number, since it uses less digits than its factorization.

4440440398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96531338.

The product of its (nonzero) digits is 221184, while the sum is 40.

The square root of 4440440398 is about 66636.6295516212. The cubic root of 4440440398 is about 1643.6474931561.

The spelling of 4440440398 in words is "four billion, four hundred forty million, four hundred forty thousand, three hundred ninety-eight".