850645031472 has 400 divisors, whose sum is σ = 2626152040512. Its totient is φ = 265424117760.

The previous prime is 850645031471. The next prime is 850645031473. The reversal of 850645031472 is 274130546058.

850645031472 is a `hidden beast` number, since 8 + 5 + 0 + 64 + 503 + 14 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (850645031471) and next prime (850645031473).

It is not an unprimeable number, because it can be changed into a prime (850645031471) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 143517373 + ... + 143523299.

Almost surely, 2^850645031472 is an apocalyptic number.

850645031472 is a gapful number since it is divisible by the number (82) 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 850645031472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1313076020256).

850645031472 is an abundant number, since it is smaller than the sum of its proper divisors (1775507009040).

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

850645031472 is a wasteful number, since it uses less digits than its factorization.

850645031472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6098 (or 6083 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 850645031472 in words is "eight hundred fifty billion, six hundred forty-five million, thirty-one thousand, four hundred seventy-two".