8012448133640 has 32 divisors (see below), whose sum is σ = 18206503441560. Its totient is φ = 3173246784000.

The previous prime is 8012448133639. The next prime is 8012448133643. The reversal of 8012448133640 is 463318442108.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7740291851044 + 272156282596 = 2782138^2 + 521686^2 .

It is a super-2 number, since 2×8012448133640² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8012448133591 and 8012448133600.

It is not an unprimeable number, because it can be changed into a prime (8012448133643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991635581 + ... + 991643660.

Almost surely, 2^{8012448133640} is an apocalyptic number.

It is an amenable number.

8012448133640 is an abundant number, since it is smaller than the sum of its proper divisors (10194055307920).

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

8012448133640 is a wasteful number, since it uses less digits than its factorization.

8012448133640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983279353 (or 1983279349 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 8012448133640 in words is "eight trillion, twelve billion, four hundred forty-eight million, one hundred thirty-three thousand, six hundred forty".