2002018404004 has 6 divisors (see below), whose sum is σ = 3503532207014. Its totient is φ = 1001009202000.

The previous prime is 2002018403999. The next prime is 2002018404013. The reversal of 2002018404004 is 4004048102002.

It can be written as a sum of positive squares in only one way, i.e., 1383215914404 + 618802489600 = 1176102^2 + 786640^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2002018404004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250252300497 + ... + 250252300504.

Almost surely, 2^{2002018404004} is an apocalyptic number.

It is an amenable number.

2002018404004 is a deficient number, since it is larger than the sum of its proper divisors (1501513803010).

2002018404004 is a wasteful number, since it uses less digits than its factorization.

2002018404004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500504601005 (or 500504601003 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The spelling of 2002018404004 in words is "two trillion, two billion, eighteen million, four hundred four thousand, four".