810550036 has 6 divisors (see below), whose sum is σ = 1418462570. Its totient is φ = 405275016.

The previous prime is 810550019. The next prime is 810550049. The reversal of 810550036 is 630055018.

It can be written as a sum of positive squares in only one way, i.e., 428738436 + 381811600 = 20706^2 + 19540^2 .

It is a junction number, because it is equal to n+sod(n) for n = 810549986 and 810550013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101318751 + ... + 101318758.

Almost surely, 2^810550036 is an apocalyptic number.

It is an amenable number.

810550036 is a deficient number, since it is larger than the sum of its proper divisors (607912534).

810550036 is a wasteful number, since it uses less digits than its factorization.

810550036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202637513 (or 202637511 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 810550036 is about 28470.1604491439. The cubic root of 810550036 is about 932.3807027773.

The spelling of 810550036 in words is "eight hundred ten million, five hundred fifty thousand, thirty-six".