3640724112 has 20 divisors (see below), whose sum is σ = 9405204080. Its totient is φ = 1213574688.

The previous prime is 3640724111. The next prime is 3640724117. The reversal of 3640724112 is 2114270463.

It is a self number, because there is not a number n which added to its sum of digits gives 3640724112.

It is not an unprimeable number, because it can be changed into a prime (3640724111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37924162 + ... + 37924257.

It is an arithmetic number, because the mean of its divisors is an integer number (470260204).

Almost surely, 2^3640724112 is an apocalyptic number.

It is an amenable number.

3640724112 is an abundant number, since it is smaller than the sum of its proper divisors (5764479968).

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

3640724112 is a wasteful number, since it uses less digits than its factorization.

3640724112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75848430 (or 75848424 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 3640724112 is about 60338.4132373399. The cubic root of 3640724112 is about 1538.3763333622.

Adding to 3640724112 its reverse (2114270463), we get a palindrome (5754994575).

The spelling of 3640724112 in words is "three billion, six hundred forty million, seven hundred twenty-four thousand, one hundred twelve".