8075440 has 20 divisors (see below), whose sum is σ = 18775584. Its totient is φ = 3230144.

The previous prime is 8075429. The next prime is 8075449. The reversal of 8075440 is 445708.

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

It is a junction number, because it is equal to n+sod(n) for n = 8075399 and 8075408.

It is not an unprimeable number, because it can be changed into a prime (8075449) 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, 50392 + ... + 50551.

Almost surely, 2^8075440 is an apocalyptic number.

8075440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8075440 is an abundant number, since it is smaller than the sum of its proper divisors (10700144).

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

8075440 is a wasteful number, since it uses less digits than its factorization.

8075440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100956 (or 100950 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 8075440 is about 2841.7318663097. The cubic root of 8075440 is about 200.6267008458.

It can be divided in two parts, 8075 and 440, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 8075440 in words is "eight million, seventy-five thousand, four hundred forty".