64804800000 has 480 divisors, whose sum is σ = 225557063424. Its totient is φ = 16501760000.

The previous prime is 64804799951. The next prime is 64804800017. The reversal of 64804800000 is 840846.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 110399707 + ... + 110400293.

Almost surely, 2^64804800000 is an apocalyptic number.

64804800000 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 64804800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112778531712).

64804800000 is an abundant number, since it is smaller than the sum of its proper divisors (160752263424).

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

64804800000 is an frugal number, since it uses more digits than its factorization.

64804800000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The spelling of 64804800000 in words is "sixty-four billion, eight hundred four million, eight hundred thousand".