1449965428 has 12 divisors (see below), whose sum is σ = 2686700772. Its totient is φ = 682336640.

The previous prime is 1449965423. The next prime is 1449965497. The reversal of 1449965428 is 8245699441.

It can be written as a sum of positive squares in 2 ways, for example, as 1082936464 + 367028964 = 32908^2 + 19158^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449965423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10661443 + ... + 10661578.

It is an arithmetic number, because the mean of its divisors is an integer number (223891731).

Almost surely, 2^1449965428 is an apocalyptic number.

It is an amenable number.

1449965428 is a deficient number, since it is larger than the sum of its proper divisors (1236735344).

1449965428 is a wasteful number, since it uses less digits than its factorization.

1449965428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21323042 (or 21323040 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The square root of 1449965428 is about 38078.4115740140. The cubic root of 1449965428 is about 1131.8422004065.

The spelling of 1449965428 in words is "one billion, four hundred forty-nine million, nine hundred sixty-five thousand, four hundred twenty-eight".