8067644040 has 64 divisors (see below), whose sum is σ = 24417158400. Its totient is φ = 2132329472.

The previous prime is 8067644033. The next prime is 8067644041. The reversal of 8067644040 is 404467608.

It is a super-2 number, since 2×8067644040² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8067644040.

It is not an unprimeable number, because it can be changed into a prime (8067644041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283920 + ... + 311039.

It is an arithmetic number, because the mean of its divisors is an integer number (381518100).

Almost surely, 2^8067644040 is an apocalyptic number.

It is an amenable number.

8067644040 is an abundant number, since it is smaller than the sum of its proper divisors (16349514360).

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

8067644040 is a wasteful number, since it uses less digits than its factorization.

8067644040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595086 (or 595082 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 8067644040 is about 89820.0647962358. The cubic root of 8067644040 is about 2005.6211896454.

The spelling of 8067644040 in words is "eight billion, sixty-seven million, six hundred forty-four thousand, forty".