210328820676 has 144 divisors (see below), whose sum is σ = 594791503488. Its totient is φ = 62248435200.

The previous prime is 210328820641. The next prime is 210328820693. The reversal of 210328820676 is 676028823012.

It is a super-4 number, since 4×210328820676⁴ (a number of 46 digits) contains 4444 as substring.

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, 1285155 + ... + 1439541.

It is an arithmetic number, because the mean of its divisors is an integer number (4130496552).

Almost surely, 2^210328820676 is an apocalyptic number.

210328820676 is a gapful number since it is divisible by the number (26) 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 210328820676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297395751744).

210328820676 is an abundant number, since it is smaller than the sum of its proper divisors (384462682812).

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

210328820676 is a wasteful number, since it uses less digits than its factorization.

210328820676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154522 (or 154517 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 210328820676 in words is "two hundred ten billion, three hundred twenty-eight million, eight hundred twenty thousand, six hundred seventy-six".