64300355280 has 640 divisors, whose sum is σ = 275292380160. Its totient is φ = 13456834560.

The previous prime is 64300355233. The next prime is 64300355311. The reversal of 64300355280 is 8255300346.

It is a happy number.

64300355280 is a `hidden beast` number, since 643 + 0 + 0 + 3 + 5 + 5 + 2 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 127 ways as a sum of consecutive naturals, for example, 9507100 + ... + 9513860.

It is an arithmetic number, because the mean of its divisors is an integer number (430144344).

Almost surely, 2^64300355280 is an apocalyptic number.

64300355280 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 64300355280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137646190080).

64300355280 is an abundant number, since it is smaller than the sum of its proper divisors (210992024880).

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

64300355280 is a wasteful number, since it uses less digits than its factorization.

64300355280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6844 (or 6832 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 64300355280 in words is "sixty-four billion, three hundred million, three hundred fifty-five thousand, two hundred eighty".