6436240212 has 48 divisors (see below), whose sum is σ = 15531482624. Its totient is φ = 2072304000.

The previous prime is 6436240199. The next prime is 6436240219. The reversal of 6436240212 is 2120426346.

It is a self number, because there is not a number n which added to its sum of digits gives 6436240212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6436240219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185262 + ... + 217242.

Almost surely, 2^6436240212 is an apocalyptic number.

6436240212 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

6436240212 is an abundant number, since it is smaller than the sum of its proper divisors (9095242412).

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

6436240212 is a wasteful number, since it uses less digits than its factorization.

6436240212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32560 (or 32558 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 6436240212 is about 80226.1815868112. The cubic root of 6436240212 is about 1860.1333596137.

Adding to 6436240212 its reverse (2120426346), we get a palindrome (8556666558).

The spelling of 6436240212 in words is "six billion, four hundred thirty-six million, two hundred forty thousand, two hundred twelve".