63522040 has 16 divisors (see below), whose sum is σ = 142924680. Its totient is φ = 25408800.

The previous prime is 63522029. The next prime is 63522071. The reversal of 63522040 is 4022536.

It is a happy number.

63522040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 793986 + ... + 794065.

Almost surely, 2^63522040 is an apocalyptic number.

It is an amenable number.

63522040 is an abundant number, since it is smaller than the sum of its proper divisors (79402640).

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

63522040 is a wasteful number, since it uses less digits than its factorization.

63522040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588062 (or 1588058 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 63522040 is about 7970.0715178723. The cubic root of 63522040 is about 399.0017608689.

Adding to 63522040 its reverse (4022536), we get a palindrome (67544576).

The spelling of 63522040 in words is "sixty-three million, five hundred twenty-two thousand, forty".