6600570040 has 16 divisors (see below), whose sum is σ = 14851282680. Its totient is φ = 2640228000.

The previous prime is 6600570029. The next prime is 6600570049. The reversal of 6600570040 is 400750066.

It is a junction number, because it is equal to n+sod(n) for n = 6600569990 and 6600570008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6600570049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82507086 + ... + 82507165.

Almost surely, 2^6600570040 is an apocalyptic number.

It is an amenable number.

6600570040 is an abundant number, since it is smaller than the sum of its proper divisors (8250712640).

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

6600570040 is a wasteful number, since it uses less digits than its factorization.

6600570040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165014262 (or 165014258 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 6600570040 is about 81243.8923242849. The cubic root of 6600570040 is about 1875.8314572557.

The spelling of 6600570040 in words is "six billion, six hundred million, five hundred seventy thousand, forty".