2640604101 has 32 divisors (see below), whose sum is σ = 3805729920. Its totient is φ = 1622624256.

The previous prime is 2640604093. The next prime is 2640604103. The reversal of 2640604101 is 1014060462.

It is not a de Polignac number, because 2640604101 - 2³ = 2640604093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640604103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 482955 + ... + 488391.

It is an arithmetic number, because the mean of its divisors is an integer number (118929060).

Almost surely, 2^2640604101 is an apocalyptic number.

It is an amenable number.

2640604101 is a deficient number, since it is larger than the sum of its proper divisors (1165125819).

2640604101 is a wasteful number, since it uses less digits than its factorization.

2640604101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5653.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2640604101 is about 51386.8086282851. The cubic root of 2640604101 is about 1382.1900569923.

Adding to 2640604101 its reverse (1014060462), we get a palindrome (3654664563).

The spelling of 2640604101 in words is "two billion, six hundred forty million, six hundred four thousand, one hundred one".