850581120 has 64 divisors (see below), whose sum is σ = 2711233440. Its totient is φ = 226821120.

The previous prime is 850581091. The next prime is 850581139. The reversal of 850581120 is 21185058.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (30).

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 7 ways as a sum of consecutive naturals, for example, 219586 + ... + 223425.

Almost surely, 2^850581120 is an apocalyptic number.

850581120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

850581120 is an abundant number, since it is smaller than the sum of its proper divisors (1860652320).

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

850581120 is a wasteful number, since it uses less digits than its factorization.

850581120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443033 (or 443021 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 850581120 is about 29164.7238972016. The cubic root of 850581120 is about 947.4840611535.

The spelling of 850581120 in words is "eight hundred fifty million, five hundred eighty-one thousand, one hundred twenty".