1428285960 has 256 divisors, whose sum is σ = 4994784000. Its totient is φ = 367089408.

The previous prime is 1428285919. The next prime is 1428285977. The reversal of 1428285960 is 695828241.

1428285960 is a `hidden beast` number, since 14 + 28 + 28 + 596 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2536639 + ... + 2537201.

It is an arithmetic number, because the mean of its divisors is an integer number (19510875).

Almost surely, 2^1428285960 is an apocalyptic number.

1428285960 is a gapful number since it is divisible by the number (10) 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 1428285960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2497392000).

1428285960 is an abundant number, since it is smaller than the sum of its proper divisors (3566498040).

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

1428285960 is an equidigital number, since it uses as much as digits as its factorization.

1428285960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 1428285960 is about 37792.6707180109. The cubic root of 1428285960 is about 1126.1728568256.

The spelling of 1428285960 in words is "one billion, four hundred twenty-eight million, two hundred eighty-five thousand, nine hundred sixty".