9216215040 has 96 divisors (see below), whose sum is σ = 29484786240. Its totient is φ = 2457649152.

The previous prime is 9216215017. The next prime is 9216215059. The reversal of 9216215040 is 405126129.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-4 number, since 4×9216215040⁴ (a number of 41 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 9216214989 and 9216215007.

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, 119284 + ... + 180723.

It is an arithmetic number, because the mean of its divisors is an integer number (307133190).

Almost surely, 2^9216215040 is an apocalyptic number.

It is an amenable number.

9216215040 is an abundant number, since it is smaller than the sum of its proper divisors (20268571200).

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

9216215040 is a wasteful number, since it uses less digits than its factorization.

9216215040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300037 (or 300017 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 9216215040 is about 96001.1199934667. The cubic root of 9216215040 is about 2096.6094220756.

The spelling of 9216215040 in words is "nine billion, two hundred sixteen million, two hundred fifteen thousand, forty".