6366670040 has 64 divisors (see below), whose sum is σ = 14744592000. Its totient is φ = 2473136640.

The previous prime is 6366670019. The next prime is 6366670067. The reversal of 6366670040 is 400766636.

It is a junction number, because it is equal to n+sod(n) for n = 6366669976 and 6366670003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176246 + ... + 209274.

It is an arithmetic number, because the mean of its divisors is an integer number (230384250).

Almost surely, 2^6366670040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6366670040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7372296000).

6366670040 is an abundant number, since it is smaller than the sum of its proper divisors (8377921960).

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

6366670040 is a wasteful number, since it uses less digits than its factorization.

6366670040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33180 (or 33176 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 6366670040 is about 79791.4158290226. The cubic root of 6366670040 is about 1853.4069229042.

The spelling of 6366670040 in words is "six billion, three hundred sixty-six million, six hundred seventy thousand, forty".