8080040 has 16 divisors (see below), whose sum is σ = 18180180. Its totient is φ = 3232000.

The previous prime is 8080027. The next prime is 8080063. The reversal of 8080040 is 400808.

It can be written as a sum of positive squares in 2 ways, for example, as 7474756 + 605284 = 2734^2 + 778^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 8079994 and 8080021.

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, 100961 + ... + 101040.

Almost surely, 2^8080040 is an apocalyptic number.

It is an amenable number.

8080040 is an abundant number, since it is smaller than the sum of its proper divisors (10100140).

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

8080040 is a wasteful number, since it uses less digits than its factorization.

8080040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202012 (or 202008 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 8080040 is about 2842.5411166771. The cubic root of 8080040 is about 200.6647878373.

Adding to 8080040 its reverse (400808), we get a palindrome (8480848).

The spelling of 8080040 in words is "eight million, eighty thousand, forty".