810485600 has 72 divisors (see below), whose sum is σ = 2008262088. Its totient is φ = 319334400.

The previous prime is 810485579. The next prime is 810485617. The reversal of 810485600 is 6584018.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 46040 + ... + 61160.

It is an arithmetic number, because the mean of its divisors is an integer number (27892529).

Almost surely, 2^810485600 is an apocalyptic number.

810485600 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 810485600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1004131044).

810485600 is an abundant number, since it is smaller than the sum of its proper divisors (1197776488).

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

810485600 is a wasteful number, since it uses less digits than its factorization.

810485600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15208 (or 15195 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 810485600 is about 28469.0287856822. The cubic root of 810485600 is about 932.3559950799.

The spelling of 810485600 in words is "eight hundred ten million, four hundred eighty-five thousand, six hundred".