8440004088 has 64 divisors (see below), whose sum is σ = 23527468800. Its totient is φ = 2803373280.

The previous prime is 8440004081. The next prime is 8440004129. The reversal of 8440004088 is 8804000448.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8440004081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7908 + ... + 130163.

It is an arithmetic number, because the mean of its divisors is an integer number (367616700).

Almost surely, 2^8440004088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8440004088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11763734400).

8440004088 is an abundant number, since it is smaller than the sum of its proper divisors (15087464712).

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

8440004088 is a wasteful number, since it uses less digits than its factorization.

8440004088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138369 (or 138359 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The square root of 8440004088 is about 91869.4948718017. The cubic root of 8440004088 is about 2036.0145892838.

The spelling of 8440004088 in words is "eight billion, four hundred forty million, four thousand, eighty-eight".