810428748 has 24 divisors (see below), whose sum is σ = 1891889328. Its totient is φ = 270015936.

The previous prime is 810428701. The next prime is 810428791. The reversal of 810428748 is 847824018.

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, 12790 + ... + 42242.

It is an arithmetic number, because the mean of its divisors is an integer number (78828722).

Almost surely, 2^810428748 is an apocalyptic number.

It is an amenable number.

810428748 is an abundant number, since it is smaller than the sum of its proper divisors (1081460580).

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

810428748 is a wasteful number, since it uses less digits than its factorization.

810428748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31753 (or 31751 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 42.

The square root of 810428748 is about 28468.0302795961. The cubic root of 810428748 is about 932.3341943461.

The spelling of 810428748 in words is "eight hundred ten million, four hundred twenty-eight thousand, seven hundred forty-eight".