5638220004 has 24 divisors (see below), whose sum is σ = 13179912928. Its totient is φ = 1875968640.

The previous prime is 5638219997. The next prime is 5638220039. The reversal of 5638220004 is 4000228365.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422917 + ... + 436044.

Almost surely, 2^5638220004 is an apocalyptic number.

It is an amenable number.

5638220004 is an abundant number, since it is smaller than the sum of its proper divisors (7541692924).

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

5638220004 is a wasteful number, since it uses less digits than its factorization.

5638220004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859515 (or 859513 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 5638220004 is about 75088.0816375009. The cubic root of 5638220004 is about 1779.8388108888.

Adding to 5638220004 its reverse (4000228365), we get a palindrome (9638448369).

The spelling of 5638220004 in words is "five billion, six hundred thirty-eight million, two hundred twenty thousand, four".