812341365264 has 1200 divisors, whose sum is σ = 3041215974720. Its totient is φ = 206092615680.

The previous prime is 812341365257. The next prime is 812341365287. The reversal of 812341365264 is 462563143218.

812341365264 is a `hidden beast` number, since 8 + 1 + 23 + 4 + 1 + 365 + 264 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 1553233707 + ... + 1553234229.

Almost surely, 2^812341365264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 812341365264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1520607987360).

812341365264 is an abundant number, since it is smaller than the sum of its proper divisors (2228874609456).

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

812341365264 is a wasteful number, since it uses less digits than its factorization.

812341365264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 598 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 812341365264 in words is "eight hundred twelve billion, three hundred forty-one million, three hundred sixty-five thousand, two hundred sixty-four".