8017040 has 20 divisors (see below), whose sum is σ = 18639804. Its totient is φ = 3206784.

The previous prime is 8017039. The next prime is 8017057. The reversal of 8017040 is 407108.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1401856 + 6615184 = 1184^2 + 2572^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (20) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50027 + ... + 50186.

Almost surely, 2^8017040 is an apocalyptic number.

8017040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8017040 is an abundant number, since it is smaller than the sum of its proper divisors (10622764).

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

8017040 is a wasteful number, since it uses less digits than its factorization.

8017040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100226 (or 100220 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 8017040 is about 2831.4377973037. The cubic root of 8017040 is about 200.1418992991.

The spelling of 8017040 in words is "eight million, seventeen thousand, forty".