320851044 has 30 divisors (see below), whose sum is σ = 838768854. Its totient is φ = 106950240.

The previous prime is 320851021. The next prime is 320851051. The reversal of 320851044 is 440158023.

It can be written as a sum of positive squares in only one way, i.e., 320768100 + 82944 = 17910^2 + 288^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a fibodiv number, since the Fibonacci-like sequence with seeds 32 and 851044 contains 320851044 itself.

It is a junction number, because it is equal to n+sod(n) for n = 320850999 and 320851017.

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, 494817 + ... + 495464.

Almost surely, 2^320851044 is an apocalyptic number.

It is an amenable number.

320851044 is an abundant number, since it is smaller than the sum of its proper divisors (517917810).

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

320851044 is a wasteful number, since it uses less digits than its factorization.

320851044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990297 (or 990286 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 320851044 is about 17912.3154282187. The cubic root of 320851044 is about 684.5962022432.

The spelling of 320851044 in words is "three hundred twenty million, eight hundred fifty-one thousand, forty-four".