211940848408 has 16 divisors (see below), whose sum is σ = 414666877680. Its totient is φ = 101363014368.

The previous prime is 211940848381. The next prime is 211940848409. The reversal of 211940848408 is 804848049112.

It is a super-2 number, since 2×211940848408² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211940848409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575926035 + ... + 575926402.

It is an arithmetic number, because the mean of its divisors is an integer number (25916679855).

Almost surely, 2^211940848408 is an apocalyptic number.

It is an amenable number.

211940848408 is a deficient number, since it is larger than the sum of its proper divisors (202726029272).

211940848408 is a wasteful number, since it uses less digits than its factorization.

211940848408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151852466 (or 1151852462 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 49.

The spelling of 211940848408 in words is "two hundred eleven billion, nine hundred forty million, eight hundred forty-eight thousand, four hundred eight".