1002004418 has 8 divisors (see below), whose sum is σ = 1506577980. Its totient is φ = 499811760.

The previous prime is 1002004417. The next prime is 1002004439. The reversal of 1002004418 is 8144002001.

It can be written as a sum of positive squares in 2 ways, for example, as 620856889 + 381147529 = 24917^2 + 19523^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1002004418.

It is not an unprimeable number, because it can be changed into a prime (1002004417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594173 + ... + 595856.

Almost surely, 2^1002004418 is an apocalyptic number.

1002004418 is a deficient number, since it is larger than the sum of its proper divisors (504573562).

1002004418 is a wasteful number, since it uses less digits than its factorization.

1002004418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190452.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1002004418 is about 31654.4533675753. The cubic root of 1002004418 is about 1000.6676934196.

Adding to 1002004418 its reverse (8144002001), we get a palindrome (9146006419).

The spelling of 1002004418 in words is "one billion, two million, four thousand, four hundred eighteen".