8040845280 has 96 divisors (see below), whose sum is σ = 27277042464. Its totient is φ = 1979283456.

The previous prime is 8040845269. The next prime is 8040845327. The reversal of 8040845280 is 825480408.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638059 + ... + 650538.

It is an arithmetic number, because the mean of its divisors is an integer number (284135859).

Almost surely, 2^8040845280 is an apocalyptic number.

8040845280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8040845280 is an abundant number, since it is smaller than the sum of its proper divisors (19236197184).

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

8040845280 is a wasteful number, since it uses less digits than its factorization.

8040845280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288628 (or 1288620 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 39.

The square root of 8040845280 is about 89670.7604517771. The cubic root of 8040845280 is about 2003.3979968724.

The spelling of 8040845280 in words is "eight billion, forty million, eight hundred forty-five thousand, two hundred eighty".