210299539968 has 960 divisors, whose sum is σ = 753793277952. Its totient is φ = 55180984320.

The previous prime is 210299539909. The next prime is 210299539981. The reversal of 210299539968 is 869935992012.

210299539968 is a `hidden beast` number, since 2 + 1 + 0 + 2 + 9 + 9 + 539 + 96 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 2880815580 + ... + 2880815652.

Almost surely, 2^210299539968 is an apocalyptic number.

210299539968 is a gapful number since it is divisible by the number (28) 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 210299539968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376896638976).

210299539968 is an abundant number, since it is smaller than the sum of its proper divisors (543493737984).

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

210299539968 is a wasteful number, since it uses less digits than its factorization.

210299539968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 63.

The spelling of 210299539968 in words is "two hundred ten billion, two hundred ninety-nine million, five hundred thirty-nine thousand, nine hundred sixty-eight".