2640006413 has 8 divisors (see below), whose sum is σ = 2881132416. Its totient is φ = 2399068000.

The previous prime is 2640006409. The next prime is 2640006431. The reversal of 2640006413 is 3146000462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2640006413 - 2² = 2640006409 is a prime.

It is a super-2 number, since 2×2640006413² = 13939267721362253138, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640006013) 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 7 ways as a sum of consecutive naturals, for example, 16613 + ... + 74538.

It is an arithmetic number, because the mean of its divisors is an integer number (360141552).

Almost surely, 2^2640006413 is an apocalyptic number.

It is an amenable number.

2640006413 is a deficient number, since it is larger than the sum of its proper divisors (241126003).

2640006413 is a wasteful number, since it uses less digits than its factorization.

2640006413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93795.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2640006413 is about 51380.9927210442. The cubic root of 2640006413 is about 1382.0857651060.

Adding to 2640006413 its reverse (3146000462), we get a palindrome (5786006875).

The spelling of 2640006413 in words is "two billion, six hundred forty million, six thousand, four hundred thirteen".