2640144141829 has 12 divisors (see below), whose sum is σ = 2734387398720. Its totient is φ = 2549049778200.

The previous prime is 2640144141743. The next prime is 2640144141841. The reversal of 2640144141829 is 9281414410462.

It is not a de Polignac number, because 2640144141829 - 2²³ = 2640135753221 is a prime.

It is a super-2 number, since 2×2640144141829² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640144441829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2772919 + ... + 3601300.

It is an arithmetic number, because the mean of its divisors is an integer number (227865616560).

Almost surely, 2^{2640144141829} is an apocalyptic number.

It is an amenable number.

2640144141829 is a deficient number, since it is larger than the sum of its proper divisors (94243256891).

2640144141829 is an equidigital number, since it uses as much as digits as its factorization.

2640144141829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6374712 (or 6374681 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 2640144141829 in words is "two trillion, six hundred forty billion, one hundred forty-four million, one hundred forty-one thousand, eight hundred twenty-nine".