465540 has 24 divisors (see below), whose sum is σ = 1303680. Its totient is φ = 124128.

The previous prime is 465529. The next prime is 465541. The reversal of 465540 is 45564.

It is a self number, because there is not a number n which added to its sum of digits gives 465540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465541) 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, 3820 + ... + 3939.

It is an arithmetic number, because the mean of its divisors is an integer number (54320).

2⁴⁶⁵⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

465540 is an abundant number, since it is smaller than the sum of its proper divisors (838140).

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

465540 is a wasteful number, since it uses less digits than its factorization.

465540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7771 (or 7769 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 465540 is about 682.3049171741. The cubic root of 465540 is about 77.5030869391.

Adding to 465540 its sum of digits (24), we get a palindrome (465564).

The spelling of 465540 in words is "four hundred sixty-five thousand, five hundred forty".