4003012002 has 64 divisors (see below), whose sum is σ = 8880168960. Its totient is φ = 1192838400.

The previous prime is 4003011973. The next prime is 4003012019. The reversal of 4003012002 is 2002103004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1411578 + ... + 1414410.

It is an arithmetic number, because the mean of its divisors is an integer number (138752640).

Almost surely, 2^4003012002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4003012002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4440084480).

4003012002 is an abundant number, since it is smaller than the sum of its proper divisors (4877156958).

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

4003012002 is a wasteful number, since it uses less digits than its factorization.

4003012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 4003012002 is about 63269.3606890413. The cubic root of 4003012002 is about 1587.7993899306.

Adding to 4003012002 its reverse (2002103004), we get a palindrome (6005115006).

The spelling of 4003012002 in words is "four billion, three million, twelve thousand, two".