63344040 has 64 divisors (see below), whose sum is σ = 201216960. Its totient is φ = 15897600.

The previous prime is 63344009. The next prime is 63344041. The reversal of 63344040 is 4044336.

63344040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 63344040.

It is not an unprimeable number, because it can be changed into a prime (63344041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13486 + ... + 17565.

It is an arithmetic number, because the mean of its divisors is an integer number (3144015).

Almost surely, 2^63344040 is an apocalyptic number.

63344040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63344040 is an abundant number, since it is smaller than the sum of its proper divisors (137872920).

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

63344040 is a wasteful number, since it uses less digits than its factorization.

63344040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31082 (or 31078 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 63344040 is about 7958.8969084918. The cubic root of 63344040 is about 398.6287210236.

Adding to 63344040 its reverse (4044336), we get a palindrome (67388376).

The spelling of 63344040 in words is "sixty-three million, three hundred forty-four thousand, forty".