5540666012 has 24 divisors (see below), whose sum is σ = 11083787904. Its totient is φ = 2374044912.

The previous prime is 5540666003. The next prime is 5540666023. The reversal of 5540666012 is 2106660455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123623 + ... + 162369.

It is an arithmetic number, because the mean of its divisors is an integer number (461824496).

Almost surely, 2^5540666012 is an apocalyptic number.

It is an amenable number.

5540666012 is an abundant number, since it is smaller than the sum of its proper divisors (5543121892).

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

5540666012 is a wasteful number, since it uses less digits than its factorization.

5540666012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43865 (or 43863 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 5540666012 is about 74435.6501415820. The cubic root of 5540666012 is about 1769.5139495519.

The spelling of 5540666012 in words is "five billion, five hundred forty million, six hundred sixty-six thousand, twelve".