9040397565 has 32 divisors (see below), whose sum is σ = 14527996416. Its totient is φ = 4800479040.

The previous prime is 9040397533. The next prime is 9040397603. The reversal of 9040397565 is 5657930409.

It is not a de Polignac number, because 9040397565 - 2⁵ = 9040397533 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3850722 + ... + 3853068.

It is an arithmetic number, because the mean of its divisors is an integer number (453999888).

Almost surely, 2^9040397565 is an apocalyptic number.

It is an amenable number.

9040397565 is a deficient number, since it is larger than the sum of its proper divisors (5487598851).

9040397565 is a wasteful number, since it uses less digits than its factorization.

9040397565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369.

The product of its (nonzero) digits is 1020600, while the sum is 48.

The square root of 9040397565 is about 95081.0052797087. The cubic root of 9040397565 is about 2083.1914122131.

The spelling of 9040397565 in words is "nine billion, forty million, three hundred ninety-seven thousand, five hundred sixty-five".