501040 has 20 divisors (see below), whose sum is σ = 1165104. Its totient is φ = 200384.

The previous prime is 501037. The next prime is 501043. The reversal of 501040 is 40105.

501040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (501037) and next prime (501043).

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

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (501043) 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, 3052 + ... + 3211.

2⁵⁰¹⁰⁴⁰ is an apocalyptic number.

It is an amenable number.

501040 is an abundant number, since it is smaller than the sum of its proper divisors (664064).

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

501040 is a wasteful number, since it uses less digits than its factorization.

501040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6276 (or 6270 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 501040 is about 707.8417902328. The cubic root of 501040 is about 79.4250443915.

501040 divided by its product of nonzero digits (20) gives a palindrome (25052).

Adding to 501040 its reverse (40105), we get a palindrome (541145).

It can be divided in two parts, 5010 and 40, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 501040 in words is "five hundred one thousand, forty".