670844805120 has 1344 divisors, whose sum is σ = 2826452828160. Its totient is φ = 143879307264.

The previous prime is 670844805119. The next prime is 670844805131. The reversal of 670844805120 is 21508448076.

670844805120 is a `hidden beast` number, since 6 + 70 + 84 + 480 + 5 + 1 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5282242497 + ... + 5282242623.

Almost surely, 2^670844805120 is an apocalyptic number.

670844805120 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 670844805120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1413226414080).

670844805120 is an abundant number, since it is smaller than the sum of its proper divisors (2155608023040).

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

670844805120 is a wasteful number, since it uses less digits than its factorization.

670844805120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 670844805120 in words is "six hundred seventy billion, eight hundred forty-four million, eight hundred five thousand, one hundred twenty".