812041944 has 32 divisors (see below), whose sum is σ = 2320120320. Its totient is φ = 232011936.

The previous prime is 812041927. The next prime is 812042017. The reversal of 812041944 is 449140218.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2416624 + ... + 2416959.

It is an arithmetic number, because the mean of its divisors is an integer number (72503760).

Almost surely, 2^812041944 is an apocalyptic number.

812041944 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

812041944 is an abundant number, since it is smaller than the sum of its proper divisors (1508078376).

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

812041944 is a wasteful number, since it uses less digits than its factorization.

812041944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833599 (or 4833595 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 812041944 is about 28496.3496609653. The cubic root of 812041944 is about 932.9524024845.

The spelling of 812041944 in words is "eight hundred twelve million, forty-one thousand, nine hundred forty-four".