4406781604 has 6 divisors (see below), whose sum is σ = 7711867814. Its totient is φ = 2203390800.

The previous prime is 4406781563. The next prime is 4406781607. The reversal of 4406781604 is 4061876044.

It can be written as a sum of positive squares in only one way, i.e., 3684247204 + 722534400 = 60698^2 + 26880^2 .

It is not an unprimeable number, because it can be changed into a prime (4406781607) by changing a digit.

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, 550847697 + ... + 550847704.

Almost surely, 2^4406781604 is an apocalyptic number.

It is an amenable number.

4406781604 is a deficient number, since it is larger than the sum of its proper divisors (3305086210).

4406781604 is a wasteful number, since it uses less digits than its factorization.

4406781604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101695405 (or 1101695403 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 4406781604 is about 66383.5943889754. The cubic root of 4406781604 is about 1639.4839745723.

The spelling of 4406781604 in words is "four billion, four hundred six million, seven hundred eighty-one thousand, six hundred four".