1004400770 has 8 divisors (see below), whose sum is σ = 1807921404. Its totient is φ = 401760304.

The previous prime is 1004400769. The next prime is 1004400773. The reversal of 1004400770 is 770044001.

It can be written as a sum of positive squares in 2 ways, for example, as 988536481 + 15864289 = 31441^2 + 3983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1004400773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50220029 + ... + 50220048.

Almost surely, 2^1004400770 is an apocalyptic number.

1004400770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1004400770 is a deficient number, since it is larger than the sum of its proper divisors (803520634).

1004400770 is a wasteful number, since it uses less digits than its factorization.

1004400770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100440084.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 1004400770 is about 31692.2824990565. The cubic root of 1004400770 is about 1001.4647767149.

Adding to 1004400770 its reverse (770044001), we get a palindrome (1774444771).

The spelling of 1004400770 in words is "one billion, four million, four hundred thousand, seven hundred seventy".