1204440628 has 24 divisors (see below), whose sum is σ = 2233421120. Its totient is φ = 566740800.

The previous prime is 1204440623. The next prime is 1204440631. The reversal of 1204440628 is 8260444021.

It is a self number, because there is not a number n which added to its sum of digits gives 1204440628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204440623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41001 + ... + 63952.

Almost surely, 2^1204440628 is an apocalyptic number.

It is an amenable number.

1204440628 is a deficient number, since it is larger than the sum of its proper divisors (1028980492).

1204440628 is a wasteful number, since it uses less digits than its factorization.

1204440628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105127 (or 105125 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 1204440628 is about 34705.0519089080. The cubic root of 1204440628 is about 1063.9677532296.

Adding to 1204440628 its reverse (8260444021), we get a palindrome (9464884649).

The spelling of 1204440628 in words is "one billion, two hundred four million, four hundred forty thousand, six hundred twenty-eight".