8045040 has 40 divisors (see below), whose sum is σ = 24940368. Its totient is φ = 2145280.

The previous prime is 8045017. The next prime is 8045047. The reversal of 8045040 is 405408.

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

It is a junction number, because it is equal to n+sod(n) for n = 8044998 and 8045016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8045047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16521 + ... + 17000.

Almost surely, 2^8045040 is an apocalyptic number.

8045040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8045040 is an abundant number, since it is smaller than the sum of its proper divisors (16895328).

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

8045040 is a wasteful number, since it uses less digits than its factorization.

8045040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33537 (or 33531 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 8045040 is about 2836.3779719917. The cubic root of 8045040 is about 200.3746311527.

The spelling of 8045040 in words is "eight million, forty-five thousand, forty".