6666670000040 has 32 divisors (see below), whose sum is σ = 15000089724360. Its totient is φ = 2666653382400.

The previous prime is 6666669999967. The next prime is 6666670000087. The reversal of 6666670000040 is 400000766666.

It can be written as a sum of positive squares in 4 ways, for example, as 2584435633924 + 4082234366116 = 1607618^2 + 2020454^2 .

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, 9743570 + ... + 10405310.

Almost surely, 2^{6666670000040} is an apocalyptic number.

It is an amenable number.

6666670000040 is an abundant number, since it is smaller than the sum of its proper divisors (8333419724320).

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

6666670000040 is a wasteful number, since it uses less digits than its factorization.

6666670000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913613 (or 913609 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 6666670000040 in words is "six trillion, six hundred sixty-six billion, six hundred seventy million, forty", and thus it is an aban number.