63324135240 has 128 divisors (see below), whose sum is σ = 196525854720. Its totient is φ = 16306272000.

The previous prime is 63324135191. The next prime is 63324135241. The reversal of 63324135240 is 4253142336.

It is a happy number.

It is a super-2 number, since 2×63324135240² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63324135241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1719015 + ... + 1755465.

It is an arithmetic number, because the mean of its divisors is an integer number (1535358240).

Almost surely, 2^63324135240 is an apocalyptic number.

63324135240 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 63324135240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98262927360).

63324135240 is an abundant number, since it is smaller than the sum of its proper divisors (133201719480).

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

63324135240 is a wasteful number, since it uses less digits than its factorization.

63324135240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36963 (or 36959 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 63324135240 its reverse (4253142336), we get a palindrome (67577277576).

The spelling of 63324135240 in words is "sixty-three billion, three hundred twenty-four million, one hundred thirty-five thousand, two hundred forty".