811040960 has 28 divisors (see below), whose sum is σ = 1931292048. Its totient is φ = 324416256.

The previous prime is 811040957. The next prime is 811041001. The reversal of 811040960 is 69040118.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266932 + ... + 1267571.

It is an arithmetic number, because the mean of its divisors is an integer number (68974716).

Almost surely, 2^811040960 is an apocalyptic number.

811040960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

811040960 is an abundant number, since it is smaller than the sum of its proper divisors (1120251088).

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

811040960 is a wasteful number, since it uses less digits than its factorization.

811040960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534520 (or 2534510 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 811040960 is about 28478.7808727832. The cubic root of 811040960 is about 932.5689024214.

The spelling of 811040960 in words is "eight hundred eleven million, forty thousand, nine hundred sixty".