4004093648 has 20 divisors (see below), whose sum is σ = 7761380100. Its totient is φ = 2001156864.

The previous prime is 4004093629. The next prime is 4004093659. The reversal of 4004093648 is 8463904004.

It can be written as a sum of positive squares in 2 ways, for example, as 3311772304 + 692321344 = 57548^2 + 26312^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17723 + ... + 91226.

It is an arithmetic number, because the mean of its divisors is an integer number (388069005).

Almost surely, 2^4004093648 is an apocalyptic number.

It is an amenable number.

4004093648 is a deficient number, since it is larger than the sum of its proper divisors (3757286452).

4004093648 is a wasteful number, since it uses less digits than its factorization.

4004093648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111254 (or 111248 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 4004093648 is about 63277.9080564457. The cubic root of 4004093648 is about 1587.9423891017.

The spelling of 4004093648 in words is "four billion, four million, ninety-three thousand, six hundred forty-eight".