845656480 has 48 divisors (see below), whose sum is σ = 2002662144. Its totient is φ = 337450240.

The previous prime is 845656453. The next prime is 845656489. The reversal of 845656480 is 84656548.

It is a super-3 number, since 3×845656480³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 845656480.

It is not an unprimeable number, because it can be changed into a prime (845656489) 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, 62829 + ... + 75091.

It is an arithmetic number, because the mean of its divisors is an integer number (41722128).

Almost surely, 2^845656480 is an apocalyptic number.

845656480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

845656480 is an abundant number, since it is smaller than the sum of its proper divisors (1157005664).

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

845656480 is a wasteful number, since it uses less digits than its factorization.

845656480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12709 (or 12701 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 46.

The square root of 845656480 is about 29080.1733144767. The cubic root of 845656480 is about 945.6519599865.

The spelling of 845656480 in words is "eight hundred forty-five million, six hundred fifty-six thousand, four hundred eighty".