40485 has 8 divisors (see below), whose sum is σ = 64800. Its totient is φ = 21584.

The previous prime is 40483. The next prime is 40487. The reversal of 40485 is 58404.

40485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40483) and next prime (40487).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40485 - 2¹ = 40483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40483) 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, 1335 + ... + 1364.

It is an arithmetic number, because the mean of its divisors is an integer number (8100).

2⁴⁰⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

40485 is a deficient number, since it is larger than the sum of its proper divisors (24315).

40485 is a wasteful number, since it uses less digits than its factorization.

40485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 40485 is about 201.2088467240. The cubic root of 40485 is about 34.3371870707.

Adding to 40485 its reverse (58404), we get a palindrome (98889).

It can be divided in two parts, 40 and 485, that added together give a palindrome (525).

The spelling of 40485 in words is "forty thousand, four hundred eighty-five".