8005028405 has 8 divisors (see below), whose sum is σ = 10479309984. Its totient is φ = 5821838800.

The previous prime is 8005028387. The next prime is 8005028411. The reversal of 8005028405 is 5048205008.

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

It is not a de Polignac number, because 8005028405 - 2¹⁶ = 8004962869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72772931 + ... + 72773040.

It is an arithmetic number, because the mean of its divisors is an integer number (1309913748).

Almost surely, 2^8005028405 is an apocalyptic number.

It is an amenable number.

8005028405 is a deficient number, since it is larger than the sum of its proper divisors (2474281579).

8005028405 is a wasteful number, since it uses less digits than its factorization.

8005028405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145545987.

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 8005028405 is about 89470.8243227925. The cubic root of 8005028405 is about 2000.4189459860.

It can be divided in two parts, 800 and 5028405, that added together give a palindrome (5029205).

The spelling of 8005028405 in words is "eight billion, five million, twenty-eight thousand, four hundred five".