1428359265 has 40 divisors (see below), whose sum is σ = 2598731520. Its totient is φ = 750407328.

The previous prime is 1428359239. The next prime is 1428359267. The reversal of 1428359265 is 5629538241.

1428359265 is a `hidden beast` number, since 14 + 28 + 359 + 265 = 666.

It is not a de Polignac number, because 1428359265 - 2⁹ = 1428358753 is a prime.

It is a super-2 number, since 2×1428359265² = 4080420379822680450, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1428359265.

It is not an unprimeable number, because it can be changed into a prime (1428359267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 816 + ... + 53454.

It is an arithmetic number, because the mean of its divisors is an integer number (64968288).

Almost surely, 2^1428359265 is an apocalyptic number.

1428359265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1428359265 is a deficient number, since it is larger than the sum of its proper divisors (1170372255).

1428359265 is an equidigital number, since it uses as much as digits as its factorization.

1428359265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52723 (or 52714 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 1428359265 is about 37793.6405364712. The cubic root of 1428359265 is about 1126.1921229696.

It can be divided in two parts, 142835 and 9265, that added together give a square (152100 = 390²).

The spelling of 1428359265 in words is "one billion, four hundred twenty-eight million, three hundred fifty-nine thousand, two hundred sixty-five".