610440 has 32 divisors (see below), whose sum is σ = 1831680. Its totient is φ = 162752.

The previous prime is 610439. The next prime is 610447. The reversal of 610440 is 44016.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (610447) 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, 2424 + ... + 2663.

It is an arithmetic number, because the mean of its divisors is an integer number (57240).

2⁶¹⁰⁴⁴⁰ is an apocalyptic number.

610440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

610440 is an abundant number, since it is smaller than the sum of its proper divisors (1221240).

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

610440 is a wasteful number, since it uses less digits than its factorization.

610440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101 (or 5097 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 610440 is about 781.3065979499. The cubic root of 610440 is about 84.8296472817.

Adding to 610440 its reverse (44016), we get a palindrome (654456).

The spelling of 610440 in words is "six hundred ten thousand, four hundred forty".