2640144141828 has 48 divisors (see below), whose sum is σ = 6871451751360. Its totient is φ = 876623726592.

The previous prime is 2640144141743. The next prime is 2640144141841. The reversal of 2640144141828 is 8281414410462.

It is a happy number.

2640144141828 is a `hidden beast` number, since 2 + 6 + 40 + 14 + 414 + 182 + 8 = 666.

It is a super-2 number, since 2×2640144141828² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 47532126 + ... + 47587637.

It is an arithmetic number, because the mean of its divisors is an integer number (143155244820).

Almost surely, 2^{2640144141828} is an apocalyptic number.

It is an amenable number.

2640144141828 is an abundant number, since it is smaller than the sum of its proper divisors (4231307609532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2640144141828 is a wasteful number, since it uses less digits than its factorization.

2640144141828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95120033 (or 95120025 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 45.

The spelling of 2640144141828 in words is "two trillion, six hundred forty billion, one hundred forty-four million, one hundred forty-one thousand, eight hundred twenty-eight".