63144420 has 48 divisors (see below), whose sum is σ = 177249408. Its totient is φ = 16796160.

The previous prime is 63144413. The next prime is 63144421. The reversal of 63144420 is 2444136.

It is not an unprimeable number, because it can be changed into a prime (63144421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28140 + ... + 30300.

It is an arithmetic number, because the mean of its divisors is an integer number (3692696).

Almost surely, 2^63144420 is an apocalyptic number.

63144420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63144420 is an abundant number, since it is smaller than the sum of its proper divisors (114104988).

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

63144420 is a wasteful number, since it uses less digits than its factorization.

63144420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660 (or 2658 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 63144420 is about 7946.3463302325. The cubic root of 63144420 is about 398.2095392503.

Adding to 63144420 its reverse (2444136), we get a palindrome (65588556).

The spelling of 63144420 in words is "sixty-three million, one hundred forty-four thousand, four hundred twenty".