4446399428 has 6 divisors (see below), whose sum is σ = 7781199006. Its totient is φ = 2223199712.

The previous prime is 4446399383. The next prime is 4446399431. The reversal of 4446399428 is 8249936444.

It can be written as a sum of positive squares in only one way, i.e., 4419856324 + 26543104 = 66482^2 + 5152^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4446399428.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555799925 + ... + 555799932.

It is an arithmetic number, because the mean of its divisors is an integer number (1296866501).

Almost surely, 2^4446399428 is an apocalyptic number.

It is an amenable number.

4446399428 is a deficient number, since it is larger than the sum of its proper divisors (3334799578).

4446399428 is a wasteful number, since it uses less digits than its factorization.

4446399428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111599861 (or 1111599859 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 53.

The square root of 4446399428 is about 66681.3274312982. The cubic root of 4446399428 is about 1644.3824177515.

The spelling of 4446399428 in words is "four billion, four hundred forty-six million, three hundred ninety-nine thousand, four hundred twenty-eight".