8810081280 has 1056 divisors, whose sum is σ = 41201491968. Its totient is φ = 1680998400.

The previous prime is 8810081279. The next prime is 8810081311. The reversal of 8810081280 is 821800188.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1056).

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

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, 46125985 + ... + 46126175.

Almost surely, 2^8810081280 is an apocalyptic number.

8810081280 is a gapful number since it is divisible by the number (80) 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 8810081280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20600745984).

8810081280 is an abundant number, since it is smaller than the sum of its proper divisors (32391410688).

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

8810081280 is a wasteful number, since it uses less digits than its factorization.

8810081280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 36.

The square root of 8810081280 is about 93862.0332189752. The cubic root of 8810081280 is about 2065.3483167791.

It can be divided in two parts, 881008 and 1280, that added together give a palindrome (882288).

The spelling of 8810081280 in words is "eight billion, eight hundred ten million, eighty-one thousand, two hundred eighty".