324440136 has 48 divisors (see below), whose sum is σ = 895281660. Its totient is φ = 106104960.

The previous prime is 324440131. The next prime is 324440153. The reversal of 324440136 is 631044423.

It can be written as a sum of positive squares in 2 ways, for example, as 323784036 + 656100 = 17994^2 + 810^2 .

It is a super-2 number, since 2×324440136² = 210522803695396992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (324440131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38695 + ... + 46326.

Almost surely, 2^324440136 is an apocalyptic number.

324440136 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

324440136 is an abundant number, since it is smaller than the sum of its proper divisors (570841524).

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

324440136 is a wasteful number, since it uses less digits than its factorization.

324440136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85086 (or 85079 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 324440136 is about 18012.2218507324. The cubic root of 324440136 is about 687.1394109507.

Adding to 324440136 its reverse (631044423), we get a palindrome (955484559).

The spelling of 324440136 in words is "three hundred twenty-four million, four hundred forty thousand, one hundred thirty-six".