4020244004 has 30 divisors (see below), whose sum is σ = 8207529414. Its totient is φ = 1722957600.

The previous prime is 4020244001. The next prime is 4020244027. The reversal of 4020244004 is 4004420204.

It can be written as a sum of positive squares in only one way, i.e., 3872572900 + 147671104 = 62230^2 + 12152^2 .

It is not an unprimeable number, because it can be changed into a prime (4020244001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 199697 + ... + 218904.

Almost surely, 2^4020244004 is an apocalyptic number.

It is an amenable number.

4020244004 is an abundant number, since it is smaller than the sum of its proper divisors (4187285410).

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

4020244004 is an equidigital number, since it uses as much as digits as its factorization.

4020244004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418633 (or 418610 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4020244004 is about 63405.3941238441. The cubic root of 4020244004 is about 1590.0744930356.

Adding to 4020244004 its reverse (4004420204), we get a palindrome (8024664208).

The spelling of 4020244004 in words is "four billion, twenty million, two hundred forty-four thousand, four".