1006636142044 has 18 divisors (see below), whose sum is σ = 1907545708320. Its totient is φ = 464601296016.

The previous prime is 1006636142041. The next prime is 1006636142063. The reversal of 1006636142044 is 4402416366001.

It is a junction number, because it is equal to n+sod(n) for n = 1006636141994 and 1006636142012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006636142041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 744552684 + ... + 744554035.

Almost surely, 2^{1006636142044} is an apocalyptic number.

It is an amenable number.

1006636142044 is a deficient number, since it is larger than the sum of its proper divisors (900909566276).

1006636142044 is a wasteful number, since it uses less digits than its factorization.

1006636142044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489106749 (or 1489106734 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 1006636142044 in words is "one trillion, six billion, six hundred thirty-six million, one hundred forty-two thousand, forty-four".