2666240041740 has 96 divisors (see below), whose sum is σ = 8144489654784. Its totient is φ = 646334376960.

The previous prime is 2666240041709. The next prime is 2666240041951. The reversal of 2666240041740 is 471400426662.

It is a junction number, because it is equal to n+sod(n) for n = 2666240041692 and 2666240041701.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 19161097 + ... + 19299743.

It is an arithmetic number, because the mean of its divisors is an integer number (84838433904).

Almost surely, 2^{2666240041740} is an apocalyptic number.

2666240041740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2666240041740 is an abundant number, since it is smaller than the sum of its proper divisors (5478249613044).

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

2666240041740 is a wasteful number, since it uses less digits than its factorization.

2666240041740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167807 (or 167805 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 2666240041740 in words is "two trillion, six hundred sixty-six billion, two hundred forty million, forty-one thousand, seven hundred forty".