810032980 has 12 divisors (see below), whose sum is σ = 1701069300. Its totient is φ = 324013184.

The previous prime is 810032963. The next prime is 810032981. The reversal of 810032980 is 89230018.

It can be written as a sum of positive squares in 2 ways, for example, as 365497924 + 444535056 = 19118^2 + 21084^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810032981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20250805 + ... + 20250844.

It is an arithmetic number, because the mean of its divisors is an integer number (141755775).

Almost surely, 2^810032980 is an apocalyptic number.

It is an amenable number.

810032980 is an abundant number, since it is smaller than the sum of its proper divisors (891036320).

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

810032980 is a wasteful number, since it uses less digits than its factorization.

810032980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40501658 (or 40501656 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 810032980 is about 28461.0783351580. The cubic root of 810032980 is about 932.1824030377.

Adding to 810032980 its reverse (89230018), we get a palindrome (899262998).

The spelling of 810032980 in words is "eight hundred ten million, thirty-two thousand, nine hundred eighty".