8005238451 has 16 divisors (see below), whose sum is σ = 13553843200. Its totient is φ = 4574421864.

The previous prime is 8005238419. The next prime is 8005238453. The reversal of 8005238451 is 1548325008.

It is a happy number.

8005238451 is a `hidden beast` number, since 8 + 0 + 0 + 523 + 84 + 51 = 666.

It is not a de Polignac number, because 8005238451 - 2⁵ = 8005238419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8005238453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21177691 + ... + 21178068.

It is an arithmetic number, because the mean of its divisors is an integer number (847115200).

Almost surely, 2^8005238451 is an apocalyptic number.

8005238451 is a deficient number, since it is larger than the sum of its proper divisors (5548604749).

8005238451 is a wasteful number, since it uses less digits than its factorization.

8005238451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42355775 (or 42355769 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 8005238451 is about 89471.9981390826. The cubic root of 8005238451 is about 2000.4364423354.

The spelling of 8005238451 in words is "eight billion, five million, two hundred thirty-eight thousand, four hundred fifty-one".