1528328450 has 24 divisors (see below), whose sum is σ = 3101118480. Its totient is φ = 555755600.

The previous prime is 1528328443. The next prime is 1528328453. The reversal of 1528328450 is 548238251.

It is not an unprimeable number, because it can be changed into a prime (1528328453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1388840 + ... + 1389939.

It is an arithmetic number, because the mean of its divisors is an integer number (129213270).

Almost surely, 2^1528328450 is an apocalyptic number.

1528328450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1528328450 is an abundant number, since it is smaller than the sum of its proper divisors (1572790030).

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

1528328450 is a wasteful number, since it uses less digits than its factorization.

1528328450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778802 (or 2778797 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 1528328450 is about 39093.8415866233. The cubic root of 1528328450 is about 1151.8755657657.

The spelling of 1528328450 in words is "one billion, five hundred twenty-eight million, three hundred twenty-eight thousand, four hundred fifty".