63440052250 has 32 divisors (see below), whose sum is σ = 118801245888. Its totient is φ = 25367160400.

The previous prime is 63440052241. The next prime is 63440052251. The reversal of 63440052250 is 5225004436.

It is not an unprimeable number, because it can be changed into a prime (63440052251) 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, 697929 + ... + 783571.

It is an arithmetic number, because the mean of its divisors is an integer number (3712538934).

Almost surely, 2^63440052250 is an apocalyptic number.

63440052250 is a deficient number, since it is larger than the sum of its proper divisors (55361193638).

63440052250 is a wasteful number, since it uses less digits than its factorization.

63440052250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88623 (or 88613 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 63440052250 its reverse (5225004436), we get a palindrome (68665056686).

The spelling of 63440052250 in words is "sixty-three billion, four hundred forty million, fifty-two thousand, two hundred fifty".