856130472000 has 2240 divisors, whose sum is σ = 3645357281280. Its totient is φ = 197074944000.

The previous prime is 856130471993. The next prime is 856130472007. The reversal of 856130472000 is 274031658.

856130472000 is a `hidden beast` number, since 8 + 56 + 130 + 472 + 0 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (856130471993) and next prime (856130472007).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856130472007) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 7854407946 + ... + 7854408054.

Almost surely, 2^856130472000 is an apocalyptic number.

856130472000 is a gapful number since it is divisible by the number (80) 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 856130472000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1822678640640).

856130472000 is an abundant number, since it is smaller than the sum of its proper divisors (2789226809280).

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

856130472000 is a wasteful number, since it uses less digits than its factorization.

856130472000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 856130472000 in words is "eight hundred fifty-six billion, one hundred thirty million, four hundred seventy-two thousand".