1428150528 has 180 divisors, whose sum is σ = 4867336320. Its totient is φ = 408001536.

The previous prime is 1428150509. The next prime is 1428150551. The reversal of 1428150528 is 8250518241.

1428150528 is a `hidden beast` number, since 1 + 4 + 2 + 81 + 50 + 528 = 666.

It is a super-2 number, since 2×1428150528² = 4079227861253357568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1428150492 and 1428150501.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 140233 + ... + 150071.

Almost surely, 2^1428150528 is an apocalyptic number.

1428150528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1428150528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2433668160).

1428150528 is an abundant number, since it is smaller than the sum of its proper divisors (3439185792).

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

1428150528 is an frugal number, since it uses more digits than its factorization.

1428150528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9874 (or 9851 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 1428150528 is about 37790.8788995440. The cubic root of 1428150528 is about 1126.1372606244.

Adding to 1428150528 its reverse (8250518241), we get a palindrome (9678668769).

The spelling of 1428150528 in words is "one billion, four hundred twenty-eight million, one hundred fifty thousand, five hundred twenty-eight".