63350440 has 16 divisors (see below), whose sum is σ = 142538580. Its totient is φ = 25340160.

The previous prime is 63350437. The next prime is 63350461. The reversal of 63350440 is 4405336.

63350440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 57426084 + 5924356 = 7578^2 + 2434^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791841 + ... + 791920.

Almost surely, 2^63350440 is an apocalyptic number.

It is an amenable number.

63350440 is an abundant number, since it is smaller than the sum of its proper divisors (79188140).

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

63350440 is a wasteful number, since it uses less digits than its factorization.

63350440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583772 (or 1583768 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 63350440 is about 7959.2989641048. The cubic root of 63350440 is about 398.6421457957.

Adding to 63350440 its reverse (4405336), we get a palindrome (67755776).

The spelling of 63350440 in words is "sixty-three million, three hundred fifty thousand, four hundred forty".