845459040 has 96 divisors (see below), whose sum is σ = 2755075680. Its totient is φ = 217677824.

The previous prime is 845459039. The next prime is 845459101. The reversal of 845459040 is 40954548.

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

It is a self number, because there is not a number n which added to its sum of digits gives 845459040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16449 + ... + 44288.

It is an arithmetic number, because the mean of its divisors is an integer number (28698705).

Almost surely, 2^845459040 is an apocalyptic number.

845459040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

845459040 is an abundant number, since it is smaller than the sum of its proper divisors (1909616640).

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

845459040 is a wasteful number, since it uses less digits than its factorization.

845459040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60784 (or 60776 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 845459040 is about 29076.7783634983. The cubic root of 845459040 is about 945.5783587627.

The spelling of 845459040 in words is "eight hundred forty-five million, four hundred fifty-nine thousand, forty".