811465932228 has 24 divisors (see below), whose sum is σ = 2163909152832. Its totient is φ = 231847409184.

The previous prime is 811465932209. The next prime is 811465932229. The reversal of 811465932228 is 822239564118.

It is not an unprimeable number, because it can be changed into a prime (811465932229) 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, 4830154275 + ... + 4830154442.

It is an arithmetic number, because the mean of its divisors is an integer number (90162881368).

Almost surely, 2^811465932228 is an apocalyptic number.

It is an amenable number.

811465932228 is an abundant number, since it is smaller than the sum of its proper divisors (1352443220604).

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

811465932228 is a wasteful number, since it uses less digits than its factorization.

811465932228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9660308731 (or 9660308729 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The spelling of 811465932228 in words is "eight hundred eleven billion, four hundred sixty-five million, nine hundred thirty-two thousand, two hundred twenty-eight".