1449990528 has 128 divisors (see below), whose sum is σ = 4544010240. Its totient is φ = 400896000.

The previous prime is 1449990511. The next prime is 1449990551. The reversal of 1449990528 is 8250999441.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 74628 + ... + 92028.

It is an arithmetic number, because the mean of its divisors is an integer number (35500080).

Almost surely, 2^1449990528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1449990528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2272005120).

1449990528 is an abundant number, since it is smaller than the sum of its proper divisors (3094019712).

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

1449990528 is a wasteful number, since it uses less digits than its factorization.

1449990528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17456 (or 17444 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The square root of 1449990528 is about 38078.7411556632. The cubic root of 1449990528 is about 1131.8487313841.

The spelling of 1449990528 in words is "one billion, four hundred forty-nine million, nine hundred ninety thousand, five hundred twenty-eight".