63240 has 64 divisors (see below), whose sum is σ = 207360. Its totient is φ = 15360.

The previous prime is 63211. The next prime is 63241. The reversal of 63240 is 4236.

63240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (63241) by changing a digit.

63240 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 15 ways as a sum of consecutive naturals, for example, 2025 + ... + 2055.

It is an arithmetic number, because the mean of its divisors is an integer number (3240).

2⁶³²⁴⁰ is an apocalyptic number.

63240 is a gapful number since it is divisible by the number (60) 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 63240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103680).

63240 is an abundant number, since it is smaller than the sum of its proper divisors (144120).

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

63240 is a wasteful number, since it uses less digits than its factorization.

63240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 63240 is about 251.4756449440. The cubic root of 63240 is about 39.8410357628.

Adding to 63240 its reverse (4236), we get a palindrome (67476).

It can be divided in two parts, 63 and 240, that added together give a palindrome (303).

The spelling of 63240 in words is "sixty-three thousand, two hundred forty".