811073340 has 288 divisors, whose sum is σ = 3096737280. Its totient is φ = 166924800.

The previous prime is 811073317. The next prime is 811073359. The reversal of 811073340 is 43370118.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1926330 + ... + 1926750.

It is an arithmetic number, because the mean of its divisors is an integer number (10752560).

Almost surely, 2^811073340 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 811073340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1548368640).

811073340 is an abundant number, since it is smaller than the sum of its proper divisors (2285663940).

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

811073340 is a wasteful number, since it uses less digits than its factorization.

811073340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 811073340 is about 28479.3493605454. The cubic root of 811073340 is about 932.5813128834.

The spelling of 811073340 in words is "eight hundred eleven million, seventy-three thousand, three hundred forty".