1004078420018 has 16 divisors (see below), whose sum is σ = 1515270275640. Its totient is φ = 498996326400.

The previous prime is 1004078420011. The next prime is 1004078420029. The reversal of 1004078420018 is 8100248704001.

It can be written as a sum of positive squares in 4 ways, for example, as 996708712609 + 7369707409 = 998353^2 + 85847^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1004078420018.

It is not an unprimeable number, because it can be changed into a prime (1004078420011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1748063 + ... + 2250306.

Almost surely, 2^{1004078420018} is an apocalyptic number.

1004078420018 is a deficient number, since it is larger than the sum of its proper divisors (511191855622).

1004078420018 is a wasteful number, since it uses less digits than its factorization.

1004078420018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3999133.

The product of its (nonzero) digits is 14336, while the sum is 35.

The spelling of 1004078420018 in words is "one trillion, four billion, seventy-eight million, four hundred twenty thousand, eighteen".