8094401280 has 720 divisors, whose sum is σ = 34902362880. Its totient is φ = 1749786624.

The previous prime is 8094401239. The next prime is 8094401303. The reversal of 8094401280 is 821044908.

It is a tau number, because it is divible by the number of its divisors (720).

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 13789147 + ... + 13789733.

It is an arithmetic number, because the mean of its divisors is an integer number (48475504).

Almost surely, 2^8094401280 is an apocalyptic number.

8094401280 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 8094401280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17451181440).

8094401280 is an abundant number, since it is smaller than the sum of its proper divisors (26807961600).

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

8094401280 is a wasteful number, since it uses less digits than its factorization.

8094401280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 8094401280 is about 89968.8906233705. The cubic root of 8094401280 is about 2007.8360315416.

The spelling of 8094401280 in words is "eight billion, ninety-four million, four hundred one thousand, two hundred eighty".