2685994782700 has 144 divisors (see below), whose sum is σ = 6278508149760. Its totient is φ = 993672852480.

The previous prime is 2685994782671. The next prime is 2685994782703. The reversal of 2685994782700 is 72874995862.

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2685994782703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 467696029 + ... + 467701771.

It is an arithmetic number, because the mean of its divisors is an integer number (43600751040).

Almost surely, 2^{2685994782700} is an apocalyptic number.

2685994782700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2685994782700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3139254074880).

2685994782700 is an abundant number, since it is smaller than the sum of its proper divisors (3592513367060).

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

2685994782700 is a wasteful number, since it uses less digits than its factorization.

2685994782700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10496 (or 10489 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 67.

The spelling of 2685994782700 in words is "two trillion, six hundred eighty-five billion, nine hundred ninety-four million, seven hundred eighty-two thousand, seven hundred".