8066278242 has 40 divisors (see below), whose sum is σ = 19717573392. Its totient is φ = 2444326200.

The previous prime is 8066278219. The next prime is 8066278247. The reversal of 8066278242 is 2428726608.

8066278242 is a `hidden beast` number, since 80 + 66 + 278 + 242 = 666.

It is a super-2 number, since 2×8066278242² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8066278247) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2261484 + ... + 2265047.

Almost surely, 2^8066278242 is an apocalyptic number.

8066278242 is an abundant number, since it is smaller than the sum of its proper divisors (11651295150).

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

8066278242 is a wasteful number, since it uses less digits than its factorization.

8066278242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526556 (or 4526547 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 8066278242 is about 89812.4615072986. The cubic root of 8066278242 is about 2005.5080038549.

The spelling of 8066278242 in words is "eight billion, sixty-six million, two hundred seventy-eight thousand, two hundred forty-two".