9040878025 has 12 divisors (see below), whose sum is σ = 11227269132. Its totient is φ = 7222005440.

The previous prime is 9040878013. The next prime is 9040878031. The reversal of 9040878025 is 5208780409.

It can be written as a sum of positive squares in 6 ways, for example, as 7706176 + 9033171849 = 2776^2 + 95043^2 .

It is a de Polignac number, because none of the positive numbers 2^k-9040878025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 250162 + ... + 284011.

It is an arithmetic number, because the mean of its divisors is an integer number (935605761).

Almost surely, 2^9040878025 is an apocalyptic number.

It is an amenable number.

9040878025 is a deficient number, since it is larger than the sum of its proper divisors (2186391107).

9040878025 is a wasteful number, since it uses less digits than its factorization.

9040878025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534860 (or 534855 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 9040878025 is about 95083.5318285980. The cubic root of 9040878025 is about 2083.2283159152.

The spelling of 9040878025 in words is "nine billion, forty million, eight hundred seventy-eight thousand, twenty-five".