2856660286464 has 616 divisors, whose sum is σ = 8820683026272. Its totient is φ = 923863449600.

The previous prime is 2856660286351. The next prime is 2856660286507. The reversal of 2856660286464 is 4646820666582.

It is a congruent number.

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 55 ways as a sum of consecutive naturals, for example, 4075121314 + ... + 4075122014.

Almost surely, 2^{2856660286464} is an apocalyptic number.

2856660286464 is a gapful number since it is divisible by the number (24) 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 2856660286464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4410341513136).

2856660286464 is an abundant number, since it is smaller than the sum of its proper divisors (5964022739808).

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

2856660286464 is an equidigital number, since it uses as much as digits as its factorization.

2856660286464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 159252480, while the sum is 63.

The spelling of 2856660286464 in words is "two trillion, eight hundred fifty-six billion, six hundred sixty million, two hundred eighty-six thousand, four hundred sixty-four".