2640010 has 16 divisors (see below), whose sum is σ = 4777056. Its totient is φ = 1050448.

The previous prime is 2639999. The next prime is 2640013. The reversal of 2640010 is 100462.

It is not an unprimeable number, because it can be changed into a prime (2640013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1689 + ... + 2851.

It is an arithmetic number, because the mean of its divisors is an integer number (298566).

2^2640010 is an apocalyptic number.

2640010 is a deficient number, since it is larger than the sum of its proper divisors (2137046).

2640010 is a wasteful number, since it uses less digits than its factorization.

2640010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2640010 is about 1624.8107582116. The cubic root of 2640010 is about 138.2086391056.

Adding to 2640010 its reverse (100462), we get a palindrome (2740472).

The spelling of 2640010 in words is "two million, six hundred forty thousand, ten".