63305407270320 has 40 divisors (see below), whose sum is σ = 196246762538736. Its totient is φ = 16881441938688.

The previous prime is 63305407270289. The next prime is 63305407270363. The reversal of 63305407270320 is 2307270450336.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×63305407270320² (a number of 28 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 131886264907 + ... + 131886265386.

Almost surely, 2^{63305407270320} is an apocalyptic number.

63305407270320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63305407270320 is an abundant number, since it is smaller than the sum of its proper divisors (132941355268416).

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

63305407270320 is a wasteful number, since it uses less digits than its factorization.

63305407270320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263772530309 (or 263772530303 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 42.

The spelling of 63305407270320 in words is "sixty-three trillion, three hundred five billion, four hundred seven million, two hundred seventy thousand, three hundred twenty".