812903247360 has 1600 divisors, whose sum is σ = 3320751297600. Its totient is φ = 188809740288.

The previous prime is 812903247329. The next prime is 812903247383. The reversal of 812903247360 is 63742309218.

812903247360 is a `hidden beast` number, since 8 + 1 + 2 + 90 + 32 + 473 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3549795726 + ... + 3549795954.

It is an arithmetic number, because the mean of its divisors is an integer number (2075469561).

Almost surely, 2^812903247360 is an apocalyptic number.

812903247360 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 812903247360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1660375648800).

812903247360 is an abundant number, since it is smaller than the sum of its proper divisors (2507848050240).

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

812903247360 is a wasteful number, since it uses less digits than its factorization.

812903247360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 812903247360 in words is "eight hundred twelve billion, nine hundred three million, two hundred forty-seven thousand, three hundred sixty".