2640162044411 has 4 divisors (see below), whose sum is σ = 2640210295800. Its totient is φ = 2640113793024.

The previous prime is 2640162044383. The next prime is 2640162044419. The reversal of 2640162044411 is 1144402610462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2640162044411 - 2⁶ = 2640162044347 is a prime.

It is a super-2 number, since 2×2640162044411² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2640162044419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24043526 + ... + 24153083.

It is an arithmetic number, because the mean of its divisors is an integer number (660052573950).

Almost surely, 2^{2640162044411} is an apocalyptic number.

2640162044411 is a deficient number, since it is larger than the sum of its proper divisors (48251389).

2640162044411 is an equidigital number, since it uses as much as digits as its factorization.

2640162044411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48251388.

The product of its (nonzero) digits is 36864, while the sum is 35.

Adding to 2640162044411 its reverse (1144402610462), we get a palindrome (3784564654873).

The spelling of 2640162044411 in words is "two trillion, six hundred forty billion, one hundred sixty-two million, forty-four thousand, four hundred eleven".