4398905920 has 28 divisors (see below), whose sum is σ = 10474895484. Its totient is φ = 1759562240.

The previous prime is 4398905909. The next prime is 4398905947. The reversal of 4398905920 is 295098934.

It can be written as a sum of positive squares in 2 ways, for example, as 2394732096 + 2004173824 = 48936^2 + 44768^2 .

It is a super-2 number, since 2×4398905920² = 38700746586022092800, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 6872971 + ... + 6873610.

Almost surely, 2^4398905920 is an apocalyptic number.

4398905920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4398905920 is an abundant number, since it is smaller than the sum of its proper divisors (6075989564).

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

4398905920 is a wasteful number, since it uses less digits than its factorization.

4398905920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13746598 (or 13746588 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 4398905920 is about 66324.2483560877. The cubic root of 4398905920 is about 1638.5067113037.

The spelling of 4398905920 in words is "four billion, three hundred ninety-eight million, nine hundred five thousand, nine hundred twenty".