4005515212 has 24 divisors (see below), whose sum is σ = 7088380992. Its totient is φ = 1980373200.

The previous prime is 4005515161. The next prime is 4005515243. The reversal of 4005515212 is 2125155004.

It is a super-2 number, since 2×4005515212² = 32088304227126809888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134787 + ... + 161797.

It is an arithmetic number, because the mean of its divisors is an integer number (295349208).

Almost surely, 2^4005515212 is an apocalyptic number.

It is an amenable number.

4005515212 is a deficient number, since it is larger than the sum of its proper divisors (3082865780).

4005515212 is a wasteful number, since it uses less digits than its factorization.

4005515212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27429 (or 27427 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 4005515212 is about 63289.1397634697. The cubic root of 4005515212 is about 1588.1302880241.

The spelling of 4005515212 in words is "four billion, five million, five hundred fifteen thousand, two hundred twelve".