4005412004 has 48 divisors (see below), whose sum is σ = 8149026816. Its totient is φ = 1704410400.

The previous prime is 4005411997. The next prime is 4005412013. The reversal of 4005412004 is 4002145004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5459 + ... + 89669.

It is an arithmetic number, because the mean of its divisors is an integer number (169771392).

Almost surely, 2^4005412004 is an apocalyptic number.

4005412004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4005412004 is an abundant number, since it is smaller than the sum of its proper divisors (4143614812).

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

4005412004 is a wasteful number, since it uses less digits than its factorization.

4005412004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84296 (or 84294 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 4005412004 is about 63288.3243892584. The cubic root of 4005412004 is about 1588.1166477348.

Adding to 4005412004 its reverse (4002145004), we get a palindrome (8007557008).

The spelling of 4005412004 in words is "four billion, five million, four hundred twelve thousand, four".