2640230001 has 12 divisors (see below), whose sum is σ = 3818634820. Its totient is φ = 1757859840.

The previous prime is 2640229993. The next prime is 2640230009. The reversal of 2640230001 is 1000320462.

It is a happy number.

2640230001 is a `hidden beast` number, since 2 + 640 + 23 + 0 + 0 + 0 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (2640229993) and next prime (2640230009).

It can be written as a sum of positive squares in 2 ways, for example, as 1987376400 + 652853601 = 44580^2 + 25551^2 .

It is not a de Polignac number, because 2640230001 - 2³ = 2640229993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2640230009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183820 + ... + 197661.

Almost surely, 2^2640230001 is an apocalyptic number.

It is an amenable number.

2640230001 is a deficient number, since it is larger than the sum of its proper divisors (1178404819).

2640230001 is a wasteful number, since it uses less digits than its factorization.

2640230001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382256 (or 382253 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2640230001 is about 51383.1684601096. The cubic root of 2640230001 is about 1382.1247813078.

Adding to 2640230001 its reverse (1000320462), we get a palindrome (3640550463).

The spelling of 2640230001 in words is "two billion, six hundred forty million, two hundred thirty thousand, one".