6662042403140 has 24 divisors (see below), whose sum is σ = 13991910719640. Its totient is φ = 2664508071168.

The previous prime is 6662042403109. The next prime is 6662042403143. The reversal of 6662042403140 is 413042402666.

It can be written as a sum of positive squares in 4 ways, for example, as 3681578537536 + 2980463865604 = 1918744^2 + 1726402^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6662042403094 and 6662042403103.

It is not an unprimeable number, because it can be changed into a prime (6662042403143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19128737 + ... + 19473896.

It is an arithmetic number, because the mean of its divisors is an integer number (582996279985).

Almost surely, 2^{6662042403140} is an apocalyptic number.

It is an amenable number.

6662042403140 is an abundant number, since it is smaller than the sum of its proper divisors (7329868316500).

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

6662042403140 is a wasteful number, since it uses less digits than its factorization.

6662042403140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38611271 (or 38611269 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 6662042403140 in words is "six trillion, six hundred sixty-two billion, forty-two million, four hundred three thousand, one hundred forty".