4072215615 has 64 divisors (see below), whose sum is σ = 7449273216. Its totient is φ = 1881833472.

The previous prime is 4072215599. The next prime is 4072215647. The reversal of 4072215615 is 5165122704.

It is not a de Polignac number, because 4072215615 - 2⁴ = 4072215599 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1433977 + ... + 1436813.

It is an arithmetic number, because the mean of its divisors is an integer number (116394894).

Almost surely, 2^4072215615 is an apocalyptic number.

4072215615 is a deficient number, since it is larger than the sum of its proper divisors (3377057601).

4072215615 is a wasteful number, since it uses less digits than its factorization.

4072215615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3308.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 4072215615 is about 63813.9139608283. The cubic root of 4072215615 is about 1596.8970611163.

The spelling of 4072215615 in words is "four billion, seventy-two million, two hundred fifteen thousand, six hundred fifteen".