4428726608 has 10 divisors (see below), whose sum is σ = 8580657834. Its totient is φ = 2214363296.

The previous prime is 4428726583. The next prime is 4428726641. The reversal of 4428726608 is 8066278244.

It can be written as a sum of positive squares in only one way, i.e., 4262522944 + 166203664 = 65288^2 + 12892^2 .

It is a super-2 number, since 2×4428726608² = 39227238736814371328, which contains 22 as substring.

It is a congruent number.

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, 138397691 + ... + 138397722.

Almost surely, 2^4428726608 is an apocalyptic number.

It is an amenable number.

4428726608 is a deficient number, since it is larger than the sum of its proper divisors (4151931226).

4428726608 is a wasteful number, since it uses less digits than its factorization.

4428726608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276795421 (or 276795415 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 47.

The square root of 4428726608 is about 66548.6784842494. The cubic root of 4428726608 is about 1642.2009176914.

The spelling of 4428726608 in words is "four billion, four hundred twenty-eight million, seven hundred twenty-six thousand, six hundred eight".