2666038263800 has 24 divisors (see below), whose sum is σ = 6198538963800. Its totient is φ = 1066415305440.

The previous prime is 2666038263793. The next prime is 2666038263809. The reversal of 2666038263800 is 83628306662.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666038263809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6665095460 + ... + 6665095859.

It is an arithmetic number, because the mean of its divisors is an integer number (258272456825).

Almost surely, 2^{2666038263800} is an apocalyptic number.

2666038263800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2666038263800 is an abundant number, since it is smaller than the sum of its proper divisors (3532500700000).

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

2666038263800 is a wasteful number, since it uses less digits than its factorization.

2666038263800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13330191335 (or 13330191326 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 50.

The spelling of 2666038263800 in words is "two trillion, six hundred sixty-six billion, thirty-eight million, two hundred sixty-three thousand, eight hundred".