2856073227840 has 1792 divisors, whose sum is σ = 12619071129600. Its totient is φ = 593183637504.

The previous prime is 2856073227829. The next prime is 2856073227881. The reversal of 2856073227840 is 487223706582.

2856073227840 is a `hidden beast` number, since 2 + 8 + 5 + 607 + 3 + 2 + 27 + 8 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 7342090366 + ... + 7342090754.

Almost surely, 2^{2856073227840} is an apocalyptic number.

2856073227840 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 2856073227840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6309535564800).

2856073227840 is an abundant number, since it is smaller than the sum of its proper divisors (9762997901760).

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

2856073227840 is a wasteful number, since it uses less digits than its factorization.

2856073227840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 2856073227840 in words is "two trillion, eight hundred fifty-six billion, seventy-three million, two hundred twenty-seven thousand, eight hundred forty".