2640329112 has 32 divisors (see below), whose sum is σ = 6605754480. Its totient is φ = 879452160.

The previous prime is 2640329101. The next prime is 2640329113. The reversal of 2640329112 is 2119230462.

It is a self number, because there is not a number n which added to its sum of digits gives 2640329112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640329113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7753 + ... + 73080.

Almost surely, 2^2640329112 is an apocalyptic number.

It is an amenable number.

2640329112 is an abundant number, since it is smaller than the sum of its proper divisors (3965425368).

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

2640329112 is a wasteful number, since it uses less digits than its factorization.

2640329112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82203 (or 82199 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2640329112 is about 51384.1328816591. The cubic root of 2640329112 is about 1382.1420755151.

Adding to 2640329112 its reverse (2119230462), we get a palindrome (4759559574).

The spelling of 2640329112 in words is "two billion, six hundred forty million, three hundred twenty-nine thousand, one hundred twelve".