63344523040 has 144 divisors (see below), whose sum is σ = 154206837288. Its totient is φ = 24586518528.

The previous prime is 63344523037. The next prime is 63344523091. The reversal of 63344523040 is 4032544336.

It can be written as a sum of positive squares in 12 ways, for example, as 35057319696 + 28287203344 = 187236^2 + 168188^2 .

It is a junction number, because it is equal to n+sod(n) for n = 63344522987 and 63344523005.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 43594954 + ... + 43596406.

Almost surely, 2^63344523040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63344523040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77103418644).

63344523040 is an abundant number, since it is smaller than the sum of its proper divisors (90862314248).

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

63344523040 is a wasteful number, since it uses less digits than its factorization.

63344523040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671 (or 1610 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 34.

The spelling of 63344523040 in words is "sixty-three billion, three hundred forty-four million, five hundred twenty-three thousand, forty".