63012240 has 60 divisors (see below), whose sum is σ = 211618524. Its totient is φ = 16803072.

The previous prime is 63012239. The next prime is 63012241. The reversal of 63012240 is 4221036.

It is a happy number.

63012240 is a `hidden beast` number, since 630 + 12 + 24 + 0 = 666.

63012240 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 (63012239) and next prime (63012241).

It can be written as a sum of positive squares in 2 ways, for example, as 11861136 + 51151104 = 3444^2 + 7152^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (63012241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43039 + ... + 44478.

Almost surely, 2^63012240 is an apocalyptic number.

63012240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63012240 is an abundant number, since it is smaller than the sum of its proper divisors (148606284).

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

63012240 is a wasteful number, since it uses less digits than its factorization.

63012240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87536 (or 87527 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 63012240 is about 7938.0249432715. The cubic root of 63012240 is about 397.9314882534.

Adding to 63012240 its reverse (4221036), we get a palindrome (67233276).

The spelling of 63012240 in words is "sixty-three million, twelve thousand, two hundred forty".