4072215920 has 20 divisors (see below), whose sum is σ = 9467902200. Its totient is φ = 1628886336.

The previous prime is 4072215883. The next prime is 4072215977. The reversal of 4072215920 is 295122704.

4072215920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25451270 + ... + 25451429.

It is an arithmetic number, because the mean of its divisors is an integer number (473395110).

Almost surely, 2^4072215920 is an apocalyptic number.

4072215920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4072215920 is an abundant number, since it is smaller than the sum of its proper divisors (5395686280).

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

4072215920 is a wasteful number, since it uses less digits than its factorization.

4072215920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50902712 (or 50902706 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 4072215920 is about 63813.9163505892. The cubic root of 4072215920 is about 1596.8971009843.

The spelling of 4072215920 in words is "four billion, seventy-two million, two hundred fifteen thousand, nine hundred twenty".