63031450240 has 128 divisors (see below), whose sum is σ = 168206829120. Its totient is φ = 22387384320.

The previous prime is 63031450219. The next prime is 63031450319. The reversal of 63031450240 is 4205413036.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 63031450199 and 63031450208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198612 + ... + 406828.

Almost surely, 2^63031450240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63031450240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84103414560).

63031450240 is an abundant number, since it is smaller than the sum of its proper divisors (105175378880).

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

63031450240 is a wasteful number, since it uses less digits than its factorization.

63031450240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208290 (or 208278 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 63031450240 its reverse (4205413036), we get a palindrome (67236863276).

The spelling of 63031450240 in words is "sixty-three billion, thirty-one million, four hundred fifty thousand, two hundred forty".