511040 has 28 divisors (see below), whose sum is σ = 1217676. Its totient is φ = 204288.

The previous prime is 511039. The next prime is 511057. The reversal of 511040 is 40115.

It can be written as a sum of positive squares in 2 ways, for example, as 141376 + 369664 = 376^2 + 608^2 .

It is a super-2 number, since 2×511040² = 522323763200, which contains 22 as substring.

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, 479 + ... + 1118.

2⁵¹¹⁰⁴⁰ is an apocalyptic number.

It is an amenable number.

511040 is an abundant number, since it is smaller than the sum of its proper divisors (706636).

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

511040 is a wasteful number, since it uses less digits than its factorization.

511040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614 (or 1604 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 511040 is about 714.8706176645. The cubic root of 511040 is about 79.9499687174.

511040 divided by its product of nonzero digits (20) gives a palindrome (25552).

Adding to 511040 its reverse (40115), we get a palindrome (551155).

The spelling of 511040 in words is "five hundred eleven thousand, forty".