9045040 has 20 divisors (see below), whose sum is σ = 21029904. Its totient is φ = 3617984.

The previous prime is 9045017. The next prime is 9045053. The reversal of 9045040 is 405409.

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

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, 56452 + ... + 56611.

Almost surely, 2^9045040 is an apocalyptic number.

It is an amenable number.

9045040 is an abundant number, since it is smaller than the sum of its proper divisors (11984864).

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

9045040 is a wasteful number, since it uses less digits than its factorization.

9045040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113076 (or 113070 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 9045040 is about 3007.4972984194. The cubic root of 9045040 is about 208.3547938781.

The spelling of 9045040 in words is "nine million, forty-five thousand, forty".