845280036 has 30 divisors (see below), whose sum is σ = 2209729830. Its totient is φ = 281759904.

The previous prime is 845280017. The next prime is 845280041. The reversal of 845280036 is 630082548.

It can be written as a sum of positive squares in only one way, i.e., 712569636 + 132710400 = 26694^2 + 11520^2 .

It is a super-2 number, since 2×845280036² = 1428996678520322592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1304121 + ... + 1304768.

It is an arithmetic number, because the mean of its divisors is an integer number (73657661).

Almost surely, 2^845280036 is an apocalyptic number.

It is an amenable number.

845280036 is an abundant number, since it is smaller than the sum of its proper divisors (1364449794).

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

845280036 is a wasteful number, since it uses less digits than its factorization.

845280036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608905 (or 2608894 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 845280036 is about 29073.7000741220. The cubic root of 845280036 is about 945.5116201637.

It can be divided in two parts, 8452 and 80036, that added together give a palindrome (88488).

The spelling of 845280036 in words is "eight hundred forty-five million, two hundred eighty thousand, thirty-six".