1428570864 has 80 divisors (see below), whose sum is σ = 4686327040. Its totient is φ = 408162240.

The previous prime is 1428570859. The next prime is 1428570887. The reversal of 1428570864 is 4680758241.

1428570864 is a `hidden beast` number, since 14 + 2 + 8 + 570 + 8 + 64 = 666.

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 15 ways as a sum of consecutive naturals, for example, 233182 + ... + 239229.

It is an arithmetic number, because the mean of its divisors is an integer number (58579088).

Almost surely, 2^1428570864 is an apocalyptic number.

1428570864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1428570864 is an abundant number, since it is smaller than the sum of its proper divisors (3257756176).

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

1428570864 is a wasteful number, since it uses less digits than its factorization.

1428570864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472435 (or 472423 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 1428570864 is about 37796.4398323440. The cubic root of 1428570864 is about 1126.2477320792.

The spelling of 1428570864 in words is "one billion, four hundred twenty-eight million, five hundred seventy thousand, eight hundred sixty-four".