211240423424030 has 288 divisors, whose sum is σ = 523685120555520. Its totient is φ = 60637907715840.

The previous prime is 211240423424003. The next prime is 211240423424033. The reversal of 211240423424030 is 30424324042112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211240423424033) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 399625367 + ... + 400153613.

It is an arithmetic number, because the mean of its divisors is an integer number (1818351113040).

Almost surely, 2^{211240423424030} is an apocalyptic number.

211240423424030 is an abundant number, since it is smaller than the sum of its proper divisors (312444697131490).

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

211240423424030 is a wasteful number, since it uses less digits than its factorization.

211240423424030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528744 (or 528724 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 211240423424030 its reverse (30424324042112), we get a palindrome (241664747466142).

The spelling of 211240423424030 in words is "two hundred eleven trillion, two hundred forty billion, four hundred twenty-three million, four hundred twenty-four thousand, thirty".