2856351689226 has 96 divisors (see below), whose sum is σ = 7120506451968. Its totient is φ = 810616826880.

The previous prime is 2856351689209. The next prime is 2856351689231. The reversal of 2856351689226 is 6229861536582.

2856351689226 is a `hidden beast` number, since 2 + 8 + 5 + 6 + 3 + 516 + 8 + 92 + 26 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16108240 + ... + 16284596.

It is an arithmetic number, because the mean of its divisors is an integer number (74171942208).

Almost surely, 2^{2856351689226} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2856351689226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3560253225984).

2856351689226 is an abundant number, since it is smaller than the sum of its proper divisors (4264154762742).

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

2856351689226 is a wasteful number, since it uses less digits than its factorization.

2856351689226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177236 (or 177233 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 63.

The spelling of 2856351689226 in words is "two trillion, eight hundred fifty-six billion, three hundred fifty-one million, six hundred eighty-nine thousand, two hundred twenty-six".