495240 has 32 divisors (see below), whose sum is σ = 1486080. Its totient is φ = 132032.

The previous prime is 495221. The next prime is 495241. The reversal of 495240 is 42594.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

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

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 495240.

It is not an unprimeable number, because it can be changed into a prime (495241) 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, 1944 + ... + 2183.

It is an arithmetic number, because the mean of its divisors is an integer number (46440).

2⁴⁹⁵²⁴⁰ is an apocalyptic number.

495240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

495240 is an abundant number, since it is smaller than the sum of its proper divisors (990840).

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

495240 is a wasteful number, since it uses less digits than its factorization.

495240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141 (or 4137 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 495240 is about 703.7329038776. The cubic root of 495240 is about 79.1173814507.

The spelling of 495240 in words is "four hundred ninety-five thousand, two hundred forty".