4004215144 has 16 divisors (see below), whose sum is σ = 7691023620. Its totient is φ = 1953275520.

The previous prime is 4004215133. The next prime is 4004215157. The reversal of 4004215144 is 4415124004.

It can be written as a sum of positive squares in 2 ways, for example, as 3985396900 + 18818244 = 63130^2 + 4338^2 .

It is an unprimeable number.

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, 6103659 + ... + 6104314.

Almost surely, 2^4004215144 is an apocalyptic number.

It is an amenable number.

4004215144 is a deficient number, since it is larger than the sum of its proper divisors (3686808476).

4004215144 is a wasteful number, since it uses less digits than its factorization.

4004215144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12208020 (or 12208016 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4004215144 is about 63278.8680682580. The cubic root of 4004215144 is about 1587.9584498896.

Adding to 4004215144 its reverse (4415124004), we get a palindrome (8419339148).

The spelling of 4004215144 in words is "four billion, four million, two hundred fifteen thousand, one hundred forty-four".