63950887240 has 16 divisors (see below), whose sum is σ = 143889496380. Its totient is φ = 25580354880.

The previous prime is 63950887229. The next prime is 63950887241. The reversal of 63950887240 is 4278805936.

It can be written as a sum of positive squares in 2 ways, for example, as 57495407524 + 6455479716 = 239782^2 + 80346^2 .

It is not an unprimeable number, because it can be changed into a prime (63950887241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 799386051 + ... + 799386130.

Almost surely, 2^63950887240 is an apocalyptic number.

It is an amenable number.

63950887240 is an abundant number, since it is smaller than the sum of its proper divisors (79938609140).

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

63950887240 is a wasteful number, since it uses less digits than its factorization.

63950887240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598772192 (or 1598772188 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 63950887240 in words is "sixty-three billion, nine hundred fifty million, eight hundred eighty-seven thousand, two hundred forty".