811364944 has 60 divisors (see below), whose sum is σ = 1712247552. Its totient is φ = 372278400.

The previous prime is 811364927. The next prime is 811364959. The reversal of 811364944 is 449463118.

It is a junction number, because it is equal to n+sod(n) for n = 811364897 and 811364906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 515679 + ... + 517249.

Almost surely, 2^811364944 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 811364944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (856123776).

811364944 is an abundant number, since it is smaller than the sum of its proper divisors (900882608).

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

811364944 is a wasteful number, since it uses less digits than its factorization.

811364944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796 (or 1777 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 811364944 is about 28484.4684696766. The cubic root of 811364944 is about 932.6930626861.

The spelling of 811364944 in words is "eight hundred eleven million, three hundred sixty-four thousand, nine hundred forty-four".