6640142263224 has 128 divisors (see below), whose sum is σ = 16763102280000. Its totient is φ = 2191783215104.

The previous prime is 6640142263219. The next prime is 6640142263241. The reversal of 6640142263224 is 4223622410466.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2499111304 + ... + 2499113960.

Almost surely, 2^{6640142263224} is an apocalyptic number.

It is an amenable number.

6640142263224 is an abundant number, since it is smaller than the sum of its proper divisors (10122960016776).

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

6640142263224 is a wasteful number, since it uses less digits than its factorization.

6640142263224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4697 (or 4693 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 6640142263224 in words is "six trillion, six hundred forty billion, one hundred forty-two million, two hundred sixty-three thousand, two hundred twenty-four".