63345250550320 has 80 divisors (see below), whose sum is σ = 155034238825440. Its totient is φ = 24003730501632.

The previous prime is 63345250550293. The next prime is 63345250550357. The reversal of 63345250550320 is 2305505254336.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46874824 + ... + 48207256.

It is an arithmetic number, because the mean of its divisors is an integer number (1937927985318).

Almost surely, 2^{63345250550320} is an apocalyptic number.

It is an amenable number.

63345250550320 is an abundant number, since it is smaller than the sum of its proper divisors (91688988275120).

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

63345250550320 is a wasteful number, since it uses less digits than its factorization.

63345250550320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363742 (or 1363736 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 43.

The spelling of 63345250550320 in words is "sixty-three trillion, three hundred forty-five billion, two hundred fifty million, five hundred fifty thousand, three hundred twenty".