63323010440 has 32 divisors (see below), whose sum is σ = 142506967680. Its totient is φ = 25323836352.

The previous prime is 63323010431. The next prime is 63323010449. The reversal of 63323010440 is 4401032336.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (63323010431) and next prime (63323010449).

It is not an unprimeable number, because it can be changed into a prime (63323010449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26129 + ... + 356831.

It is an arithmetic number, because the mean of its divisors is an integer number (4453342740).

Almost surely, 2^63323010440 is an apocalyptic number.

It is an amenable number.

63323010440 is an abundant number, since it is smaller than the sum of its proper divisors (79183957240).

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

63323010440 is a wasteful number, since it uses less digits than its factorization.

63323010440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335501 (or 335497 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 63323010440 its reverse (4401032336), we get a palindrome (67724042776).

The spelling of 63323010440 in words is "sixty-three billion, three hundred twenty-three million, ten thousand, four hundred forty".