24134440212 has 84 divisors (see below), whose sum is σ = 63916576416. Its totient is φ = 7969525200.

The previous prime is 24134440177. The next prime is 24134440217. The reversal of 24134440212 is 21204443142.

24134440212 is a `hidden beast` number, since 2 + 4 + 1 + 3 + 4 + 440 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24134440217) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 273337 + ... + 350687.

It is an arithmetic number, because the mean of its divisors is an integer number (760911624).

Almost surely, 2^24134440212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24134440212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31958288208).

24134440212 is an abundant number, since it is smaller than the sum of its proper divisors (39782136204).

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

24134440212 is a wasteful number, since it uses less digits than its factorization.

24134440212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77480 (or 77463 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 24134440212 its reverse (21204443142), we get a palindrome (45338883354).

The spelling of 24134440212 in words is "twenty-four billion, one hundred thirty-four million, four hundred forty thousand, two hundred twelve".