1428507575 has 48 divisors (see below), whose sum is σ = 2045440512. Its totient is φ = 979440000.

The previous prime is 1428507547. The next prime is 1428507599. The reversal of 1428507575 is 5757058241.

It is not a de Polignac number, because 1428507575 - 2⁶ = 1428507511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 447485 + ... + 450665.

It is an arithmetic number, because the mean of its divisors is an integer number (42613344).

Almost surely, 2^1428507575 is an apocalyptic number.

1428507575 is a deficient number, since it is larger than the sum of its proper divisors (616932937).

1428507575 is a wasteful number, since it uses less digits than its factorization.

1428507575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296 (or 3291 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 44.

The square root of 1428507575 is about 37795.6025881319. The cubic root of 1428507575 is about 1126.2311000387.

The spelling of 1428507575 in words is "one billion, four hundred twenty-eight million, five hundred seven thousand, five hundred seventy-five".