812994448 has 40 divisors (see below), whose sum is σ = 1811286848. Its totient is φ = 346280832.

The previous prime is 812994443. The next prime is 812994449. The reversal of 812994448 is 844499218.

It is not an unprimeable number, because it can be changed into a prime (812994443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4011 + ... + 40522.

Almost surely, 2^812994448 is an apocalyptic number.

It is an amenable number.

812994448 is an abundant number, since it is smaller than the sum of its proper divisors (998292400).

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

812994448 is a wasteful number, since it uses less digits than its factorization.

812994448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44711 (or 44705 counting only the distinct ones).

The product of its digits is 663552, while the sum is 49.

The square root of 812994448 is about 28513.0575000297. The cubic root of 812994448 is about 933.3170362234.

The spelling of 812994448 in words is "eight hundred twelve million, nine hundred ninety-four thousand, four hundred forty-eight".