466440 has 96 divisors (see below), whose sum is σ = 1581120. Its totient is φ = 109824.

The previous prime is 466423. The next prime is 466441. The reversal of 466440 is 44664.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 466440.

It is not an unprimeable number, because it can be changed into a prime (466441) by changing a digit.

466440 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20269 + ... + 20291.

It is an arithmetic number, because the mean of its divisors is an integer number (16470).

2⁴⁶⁶⁴⁴⁰ is an apocalyptic number.

466440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 466440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (790560).

466440 is an abundant number, since it is smaller than the sum of its proper divisors (1114680).

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

466440 is a wasteful number, since it uses less digits than its factorization.

466440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 466440 is about 682.9641279013. The cubic root of 466440 is about 77.5529987812.

The spelling of 466440 in words is "four hundred sixty-six thousand, four hundred forty".