810913488 has 160 divisors (see below), whose sum is σ = 2630879232. Its totient is φ = 209088000.

The previous prime is 810913471. The next prime is 810913489. The reversal of 810913488 is 884319018.

It is a super-2 number, since 2×810913488² = 1315161370040652288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810913489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 557370 + ... + 558822.

Almost surely, 2^810913488 is an apocalyptic number.

810913488 is a gapful number since it is divisible by the number (88) 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 810913488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1315439616).

810913488 is an abundant number, since it is smaller than the sum of its proper divisors (1819965744).

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

810913488 is a wasteful number, since it uses less digits than its factorization.

810913488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633 (or 1627 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 810913488 is about 28476.5427676886. The cubic root of 810913488 is about 932.5200423113.

The spelling of 810913488 in words is "eight hundred ten million, nine hundred thirteen thousand, four hundred eighty-eight".