1428571600 has 30 divisors (see below), whose sum is σ = 3432144230. Its totient is φ = 571428480.

The previous prime is 1428571583. The next prime is 1428571649. The reversal of 1428571600 is 61758241.

It can be written as a sum of positive squares in 3 ways, for example, as 326597184 + 1101974416 = 18072^2 + 33196^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1785315 + ... + 1786114.

Almost surely, 2^1428571600 is an apocalyptic number.

1428571600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1428571600 is an abundant number, since it is smaller than the sum of its proper divisors (2003572630).

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

1428571600 is a wasteful number, since it uses less digits than its factorization.

1428571600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571447 (or 3571436 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 1428571600 is about 37796.4495687095. The cubic root of 1428571600 is about 1126.2479254935.

The spelling of 1428571600 in words is "one billion, four hundred twenty-eight million, five hundred seventy-one thousand, six hundred".