210768840000 has 420 divisors, whose sum is σ = 764581005760. Its totient is φ = 55486080000.

The previous prime is 210768839999. The next prime is 210768840043. The reversal of 210768840000 is 48867012.

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 polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 28436295 + ... + 28443705.

Almost surely, 2^210768840000 is an apocalyptic number.

210768840000 is a gapful number since it is divisible by the number (20) 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 210768840000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382290502880).

210768840000 is an abundant number, since it is smaller than the sum of its proper divisors (553812165760).

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

210768840000 is an equidigital number, since it uses as much as digits as its factorization.

210768840000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7528 (or 7500 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 210768840000 in words is "two hundred ten billion, seven hundred sixty-eight million, eight hundred forty thousand".