571040 has 48 divisors (see below), whose sum is σ = 1397088. Its totient is φ = 220416.

The previous prime is 571037. The next prime is 571049. The reversal of 571040 is 40175.

571040 = T₁₄₁ + T₁₄₂ + ... + T₁₈₃.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (571049) 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, 6839 + ... + 6921.

It is an arithmetic number, because the mean of its divisors is an integer number (29106).

2⁵⁷¹⁰⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 571040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (698544).

571040 is an abundant number, since it is smaller than the sum of its proper divisors (826048).

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

571040 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (571039) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (133).

571040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 571040 is about 755.6718864693. The cubic root of 571040 is about 82.9638396701.

The spelling of 571040 in words is "five hundred seventy-one thousand, forty".