810071496 has 128 divisors (see below), whose sum is σ = 2480016000. Its totient is φ = 243419904.

The previous prime is 810071401. The next prime is 810071497. The reversal of 810071496 is 694170018.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 810071496.

It is not an unprimeable number, because it can be changed into a prime (810071497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117390 + ... + 124098.

It is an arithmetic number, because the mean of its divisors is an integer number (19375125).

Almost surely, 2^810071496 is an apocalyptic number.

810071496 is a gapful number since it is divisible by the number (86) 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 810071496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1240008000).

810071496 is an abundant number, since it is smaller than the sum of its proper divisors (1669944504).

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

810071496 is a wasteful number, since it uses less digits than its factorization.

810071496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6780 (or 6770 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 810071496 is about 28461.7549704863. The cubic root of 810071496 is about 932.1971774848.

810071496 divided by its sum of digits (36) gives a triangular number (22501986 = T₆₇₀₈).

The spelling of 810071496 in words is "eight hundred ten million, seventy-one thousand, four hundred ninety-six".