845288480 has 48 divisors (see below), whose sum is σ = 2002031640. Its totient is φ = 337262592.

The previous prime is 845288419. The next prime is 845288489. The reversal of 845288480 is 84882548.

It can be written as a sum of positive squares in 4 ways, for example, as 813162256 + 32126224 = 28516^2 + 5668^2 .

It is a super-2 number, since 2×845288480² = 1429025228841420800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (845288489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58982 + ... + 71898.

Almost surely, 2^845288480 is an apocalyptic number.

845288480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

845288480 is an abundant number, since it is smaller than the sum of its proper divisors (1156743160).

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

845288480 is a wasteful number, since it uses less digits than its factorization.

845288480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13341 (or 13333 counting only the distinct ones).

The product of its (nonzero) digits is 655360, while the sum is 47.

The square root of 845288480 is about 29073.8452909140. The cubic root of 845288480 is about 945.5147685773.

The spelling of 845288480 in words is "eight hundred forty-five million, two hundred eighty-eight thousand, four hundred eighty".