4043671661020 has 48 divisors (see below), whose sum is σ = 8557147216800. Its totient is φ = 1605025976576.

The previous prime is 4043671661009. The next prime is 4043671661039. The reversal of 4043671661020 is 201661763404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2348979 + ... + 3688501.

It is an arithmetic number, because the mean of its divisors is an integer number (178273900350).

Almost surely, 2^{4043671661020} is an apocalyptic number.

It is an amenable number.

4043671661020 is an abundant number, since it is smaller than the sum of its proper divisors (4513475555780).

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

4043671661020 is a wasteful number, since it uses less digits than its factorization.

4043671661020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340694 (or 1340692 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 4043671661020 in words is "four trillion, forty-three billion, six hundred seventy-one million, six hundred sixty-one thousand, twenty".