845457380 has 24 divisors (see below), whose sum is σ = 1777933248. Its totient is φ = 337711968.

The previous prime is 845457343. The next prime is 845457407. The reversal of 845457380 is 83754548.

845457380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14534 + ... + 43613.

It is an arithmetic number, because the mean of its divisors is an integer number (74080552).

Almost surely, 2^845457380 is an apocalyptic number.

It is an amenable number.

845457380 is an abundant number, since it is smaller than the sum of its proper divisors (932475868).

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

845457380 is a wasteful number, since it uses less digits than its factorization.

845457380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58883 (or 58881 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 44.

The square root of 845457380 is about 29076.7498183686. The cubic root of 845457380 is about 945.5777399032.

The spelling of 845457380 in words is "eight hundred forty-five million, four hundred fifty-seven thousand, three hundred eighty".