810265950 has 192 divisors, whose sum is σ = 2429219520. Its totient is φ = 197406720.

The previous prime is 810265933. The next prime is 810266063. The reversal of 810265950 is 59562018.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2404182 + ... + 2404518.

It is an arithmetic number, because the mean of its divisors is an integer number (12652185).

Almost surely, 2^810265950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 810265950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1214609760).

810265950 is an abundant number, since it is smaller than the sum of its proper divisors (1618953570).

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

810265950 is a wasteful number, since it uses less digits than its factorization.

810265950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 810265950 is about 28465.1708233062. The cubic root of 810265950 is about 932.2717614232.

The spelling of 810265950 in words is "eight hundred ten million, two hundred sixty-five thousand, nine hundred fifty".