9003990996720 has 120 divisors (see below), whose sum is σ = 30407333158800. Its totient is φ = 2387650464768.

The previous prime is 9003990996719. The next prime is 9003990996731. The reversal of 9003990996720 is 276990993009.

9003990996720 is a `hidden beast` number, since 90 + 0 + 399 + 0 + 9 + 96 + 72 + 0 = 666.

9003990996720 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 (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34802805 + ... + 35060564.

It is an arithmetic number, because the mean of its divisors is an integer number (253394442990).

Almost surely, 2^{9003990996720} is an apocalyptic number.

9003990996720 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9003990996720 is an abundant number, since it is smaller than the sum of its proper divisors (21403342162080).

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

9003990996720 is a wasteful number, since it uses less digits than its factorization.

9003990996720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69863567 (or 69863558 counting only the distinct ones).

The product of its (nonzero) digits is 14880348, while the sum is 63.

The spelling of 9003990996720 in words is "nine trillion, three billion, nine hundred ninety million, nine hundred ninety-six thousand, seven hundred twenty".