211424431024404 has 72 divisors (see below), whose sum is σ = 575547021271040. Its totient is φ = 65053361742912.

The previous prime is 211424431024381. The next prime is 211424431024439. The reversal of 211424431024404 is 404420134424112.

211424431024404 is a `hidden beast` number, since 2 + 1 + 1 + 4 + 244 + 3 + 1 + 0 + 2 + 4 + 404 = 666.

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 23 ways as a sum of consecutive naturals, for example, 109626357 + ... + 111538275.

Almost surely, 2^{211424431024404} is an apocalyptic number.

It is an amenable number.

211424431024404 is an abundant number, since it is smaller than the sum of its proper divisors (364122590246636).

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

211424431024404 is a wasteful number, since it uses less digits than its factorization.

211424431024404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148229 (or 2148224 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

Adding to 211424431024404 its reverse (404420134424112), we get a palindrome (615844565448516).

The spelling of 211424431024404 in words is "two hundred eleven trillion, four hundred twenty-four billion, four hundred thirty-one million, twenty-four thousand, four hundred four".