1004541320 has 32 divisors (see below), whose sum is σ = 2291186520. Its totient is φ = 396311040.

The previous prime is 1004541313. The next prime is 1004541323. The reversal of 1004541320 is 231454001.

It can be written as a sum of positive squares in 4 ways, for example, as 998180836 + 6360484 = 31594^2 + 2522^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1004541292 and 1004541301.

It is not an unprimeable number, because it can be changed into a prime (1004541323) by changing a digit.

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, 169091 + ... + 174930.

Almost surely, 2^1004541320 is an apocalyptic number.

1004541320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004541320 is an abundant number, since it is smaller than the sum of its proper divisors (1286645200).

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

1004541320 is a wasteful number, since it uses less digits than its factorization.

1004541320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344105 (or 344101 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1004541320 is about 31694.4998383000. The cubic root of 1004541320 is about 1001.5114875876.

Adding to 1004541320 its reverse (231454001), we get a palindrome (1235995321).

The spelling of 1004541320 in words is "one billion, four million, five hundred forty-one thousand, three hundred twenty".