2640112 has 20 divisors (see below), whose sum is σ = 5152696. Its totient is φ = 1310400.

The previous prime is 2640067. The next prime is 2640137. The reversal of 2640112 is 2110462.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1987 + ... + 3037.

2^2640112 is an apocalyptic number.

It is an amenable number.

2640112 is a deficient number, since it is larger than the sum of its proper divisors (2512584).

2640112 is a wasteful number, since it uses less digits than its factorization.

2640112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2640112 is about 1624.8421461791. The cubic root of 2640112 is about 138.2104190357.

Adding to 2640112 its reverse (2110462), we get a palindrome (4750574).

The spelling of 2640112 in words is "two million, six hundred forty thousand, one hundred twelve".