8016040 has 16 divisors (see below), whose sum is σ = 18036180. Its totient is φ = 3206400.

The previous prime is 8016037. The next prime is 8016049. The reversal of 8016040 is 406108.

It can be written as a sum of positive squares in 2 ways, for example, as 7851204 + 164836 = 2802^2 + 406^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8015999 and 8016017.

It is not an unprimeable number, because it can be changed into a prime (8016049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100161 + ... + 100240.

Almost surely, 2^8016040 is an apocalyptic number.

It is an amenable number.

8016040 is an abundant number, since it is smaller than the sum of its proper divisors (10020140).

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

8016040 is a wasteful number, since it uses less digits than its factorization.

8016040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200412 (or 200408 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 8016040 is about 2831.2612030683. The cubic root of 8016040 is about 200.1335774322.

It can be divided in two parts, 80160 and 40, that added together give a triangular number (80200 = T₄₀₀).

The spelling of 8016040 in words is "eight million, sixteen thousand, forty".