4004400004488 has 48 divisors (see below), whose sum is σ = 11679500015820. Its totient is φ = 1232123078016.

The previous prime is 4004400004477. The next prime is 4004400004523. The reversal of 4004400004488 is 8844000044004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3825536986404 + 178863018084 = 1955898^2 + 422922^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2139101631 + ... + 2139103502.

Almost surely, 2^{4004400004488} is an apocalyptic number.

It is an amenable number.

4004400004488 is an abundant number, since it is smaller than the sum of its proper divisors (7675100011332).

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

4004400004488 is a wasteful number, since it uses less digits than its factorization.

4004400004488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278205158 (or 4278205151 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 36.

The spelling of 4004400004488 in words is "four trillion, four billion, four hundred million, four thousand, four hundred eighty-eight".