2857135680000 has 2400 divisors, whose sum is σ = 12703128197760. Its totient is φ = 627056640000.

The previous prime is 2857135679947. The next prime is 2857135680013. The reversal of 2857135680000 is 865317582.

2857135680000 is a `hidden beast` number, since 2 + 85 + 7 + 1 + 3 + 568 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2400).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 239 ways as a sum of consecutive naturals, for example, 15785279910 + ... + 15785280090.

Almost surely, 2^{2857135680000} is an apocalyptic number.

2857135680000 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 2857135680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6351564098880).

2857135680000 is an abundant number, since it is smaller than the sum of its proper divisors (9845992517760).

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

2857135680000 is an frugal number, since it uses more digits than its factorization.

2857135680000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 2857135680000 in words is "two trillion, eight hundred fifty-seven billion, one hundred thirty-five million, six hundred eighty thousand".