6647488923040 has 48 divisors (see below), whose sum is σ = 17948220095232. Its totient is φ = 2279139058944.

The previous prime is 6647488922981. The next prime is 6647488923041. The reversal of 6647488923040 is 403298847466.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6647488923040.

It is not an unprimeable number, because it can be changed into a prime (6647488923041) 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, 2967627864 + ... + 2967630103.

It is an arithmetic number, because the mean of its divisors is an integer number (373921251984).

Almost surely, 2^{6647488923040} is an apocalyptic number.

It is an amenable number.

6647488923040 is an abundant number, since it is smaller than the sum of its proper divisors (11300731172192).

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

6647488923040 is a wasteful number, since it uses less digits than its factorization.

6647488923040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5935257989 (or 5935257981 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 61.

The spelling of 6647488923040 in words is "six trillion, six hundred forty-seven billion, four hundred eighty-eight million, nine hundred twenty-three thousand, forty".