812258496 has 336 divisors, whose sum is σ = 2845795680. Its totient is φ = 226437120.

The previous prime is 812258483. The next prime is 812258509. The reversal of 812258496 is 694852218.

It is an interprime number because it is at equal distance from previous prime (812258483) and next prime (812258509).

It is a tau number, because it is divible by the number of its divisors (336).

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, 4487526 + ... + 4487706.

It is an arithmetic number, because the mean of its divisors is an integer number (8469630).

Almost surely, 2^812258496 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 812258496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1422897840).

812258496 is an abundant number, since it is smaller than the sum of its proper divisors (2033537184).

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

812258496 is a wasteful number, since it uses less digits than its factorization.

812258496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 246 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 812258496 is about 28500.1490522418. The cubic root of 812258496 is about 933.0353270812.

The spelling of 812258496 in words is "eight hundred twelve million, two hundred fifty-eight thousand, four hundred ninety-six".