610040 has 32 divisors (see below), whose sum is σ = 1395360. Its totient is φ = 240000.

The previous prime is 610031. The next prime is 610063. The reversal of 610040 is 40016.

It is a congruent number.

It is an unprimeable number.

610040 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3965 + ... + 4115.

It is an arithmetic number, because the mean of its divisors is an integer number (43605).

2⁶¹⁰⁰⁴⁰ is an apocalyptic number.

It is an amenable number.

610040 is an abundant number, since it is smaller than the sum of its proper divisors (785320).

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

610040 is a wasteful number, since it uses less digits than its factorization.

610040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 610040 is about 781.0505745469. The cubic root of 610040 is about 84.8111145987.

Subtracting from 610040 its product of nonzero digits (24), we obtain a palindrome (610016).

Adding to 610040 its reverse (40016), we get a palindrome (650056).

The spelling of 610040 in words is "six hundred ten thousand, forty".