8440036853 has 8 divisors (see below), whose sum is σ = 8547168000. Its totient is φ = 8333035488.

The previous prime is 8440036823. The next prime is 8440036867. The reversal of 8440036853 is 3586300448.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8440036853 - 2¹⁴ = 8440020469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8440036853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8440036823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101948 + ... + 165146.

It is an arithmetic number, because the mean of its divisors is an integer number (1068396000).

Almost surely, 2^8440036853 is an apocalyptic number.

8440036853 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

8440036853 is a deficient number, since it is larger than the sum of its proper divisors (107131147).

8440036853 is a wasteful number, since it uses less digits than its factorization.

8440036853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64891.

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 8440036853 is about 91869.6731952389. The cubic root of 8440036853 is about 2036.0172239560.

The spelling of 8440036853 in words is "eight billion, four hundred forty million, thirty-six thousand, eight hundred fifty-three".