211642760450328 has 32 divisors (see below), whose sum is σ = 529107278971200. Its totient is φ = 70547536437408.

The previous prime is 211642760450281. The next prime is 211642760450357. The reversal of 211642760450328 is 823054067246112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48346443 + ... + 52542021.

It is an arithmetic number, because the mean of its divisors is an integer number (16534602467850).

Almost surely, 2^{211642760450328} is an apocalyptic number.

It is an amenable number.

211642760450328 is an abundant number, since it is smaller than the sum of its proper divisors (317464518520872).

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

211642760450328 is a wasteful number, since it uses less digits than its factorization.

211642760450328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6297431 (or 6297427 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 211642760450328 in words is "two hundred eleven trillion, six hundred forty-two billion, seven hundred sixty million, four hundred fifty thousand, three hundred twenty-eight".