1489129444 has 24 divisors (see below), whose sum is σ = 2845509408. Its totient is φ = 676251840.

The previous prime is 1489129403. The next prime is 1489129459. The reversal of 1489129444 is 4449219841.

It is a junction number, because it is equal to n+sod(n) for n = 1489129394 and 1489129403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34344 + ... + 64480.

It is an arithmetic number, because the mean of its divisors is an integer number (118562892).

Almost surely, 2^1489129444 is an apocalyptic number.

It is an amenable number.

1489129444 is a deficient number, since it is larger than the sum of its proper divisors (1356379964).

1489129444 is a wasteful number, since it uses less digits than its factorization.

1489129444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31275 (or 31273 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 1489129444 is about 38589.2400028816. The cubic root of 1489129444 is about 1141.9422732579.

The spelling of 1489129444 in words is "one billion, four hundred eighty-nine million, one hundred twenty-nine thousand, four hundred forty-four".