9040536240 has 80 divisors (see below), whose sum is σ = 28054680576. Its totient is φ = 2408313600.

The previous prime is 9040536227. The next prime is 9040536257. The reversal of 9040536240 is 426350409.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218835 + ... + 256845.

Almost surely, 2^9040536240 is an apocalyptic number.

It is an amenable number.

9040536240 is an abundant number, since it is smaller than the sum of its proper divisors (19014144336).

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

9040536240 is a wasteful number, since it uses less digits than its factorization.

9040536240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39018 (or 39012 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 9040536240 is about 95081.7345235140. The cubic root of 9040536240 is about 2083.2020638499.

Adding to 9040536240 its reverse (426350409), we get a palindrome (9466886649).

The spelling of 9040536240 in words is "nine billion, forty million, five hundred thirty-six thousand, two hundred forty".