466640 has 40 divisors (see below), whose sum is σ = 1145760. Its totient is φ = 176256.

The previous prime is 466637. The next prime is 466649. The reversal of 466640 is 46664.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (466649) 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, 1367 + ... + 1673.

It is an arithmetic number, because the mean of its divisors is an integer number (28644).

2⁴⁶⁶⁶⁴⁰ is an apocalyptic number.

466640 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 466640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572880).

466640 is an abundant number, since it is smaller than the sum of its proper divisors (679120).

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

466640 is a wasteful number, since it uses less digits than its factorization.

466640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 466640 is about 683.1105327837. The cubic root of 466640 is about 77.5640815810.

The spelling of 466640 in words is "four hundred sixty-six thousand, six hundred forty".