4004004088 has 16 divisors (see below), whose sum is σ = 8580008880. Its totient is φ = 1716001728.

The previous prime is 4004004073. The next prime is 4004004089. The reversal of 4004004088 is 8804004004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004004089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35749981 + ... + 35750092.

It is an arithmetic number, because the mean of its divisors is an integer number (536250555).

Almost surely, 2^4004004088 is an apocalyptic number.

It is an amenable number.

4004004088 is an abundant number, since it is smaller than the sum of its proper divisors (4576004792).

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

4004004088 is a wasteful number, since it uses less digits than its factorization.

4004004088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71500086 (or 71500082 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 4004004088 is about 63277.2003805478. The cubic root of 4004004088 is about 1587.9305497864.

The spelling of 4004004088 in words is "four billion, four million, four thousand, eighty-eight".