63326393280 has 336 divisors, whose sum is σ = 226868638464. Its totient is φ = 16195092480.

The previous prime is 63326393261. The next prime is 63326393287. The reversal of 63326393280 is 8239362336.

63326393280 is a `hidden beast` number, since 6 + 3 + 3 + 2 + 639 + 3 + 2 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63326393287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10085502 + ... + 10091778.

Almost surely, 2^63326393280 is an apocalyptic number.

63326393280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63326393280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113434319232).

63326393280 is an abundant number, since it is smaller than the sum of its proper divisors (163542245184).

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

63326393280 is a wasteful number, since it uses less digits than its factorization.

63326393280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6444 (or 6431 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 45.

The spelling of 63326393280 in words is "sixty-three billion, three hundred twenty-six million, three hundred ninety-three thousand, two hundred eighty".