9000240 has 40 divisors (see below), whose sum is σ = 27901488. Its totient is φ = 2400000.

The previous prime is 9000223. The next prime is 9000253. The reversal of 9000240 is 420009.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 18511 + ... + 18990.

Almost surely, 2^9000240 is an apocalyptic number.

It is an amenable number.

9000240 is an abundant number, since it is smaller than the sum of its proper divisors (18901248).

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

9000240 is a wasteful number, since it uses less digits than its factorization.

9000240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37517 (or 37511 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 9000240 is about 3000.0399997333. The cubic root of 9000240 is about 208.0102312522.

Adding to 9000240 its reverse (420009), we get a palindrome (9420249).

The spelling of 9000240 in words is "nine million, two hundred forty", and thus it is an aban number.