8000680040 has 32 divisors (see below), whose sum is σ = 18025956000. Its totient is φ = 3195929664.

The previous prime is 8000680021. The next prime is 8000680057. The reversal of 8000680040 is 400860008.

It is a super-2 number, since 2×8000680040² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8000679991 and 8000680009.

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, 105770 + ... + 164889.

It is an arithmetic number, because the mean of its divisors is an integer number (563311125).

Almost surely, 2^8000680040 is an apocalyptic number.

It is an amenable number.

8000680040 is an abundant number, since it is smaller than the sum of its proper divisors (10025275960).

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

8000680040 is a wasteful number, since it uses less digits than its factorization.

8000680040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271409 (or 271405 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 8000680040 is about 89446.5205583761. The cubic root of 8000680040 is about 2000.0566683943.

The spelling of 8000680040 in words is "eight billion, six hundred eighty thousand, forty".