1428609024 has 144 divisors (see below), whose sum is σ = 4158718200. Its totient is φ = 472449024.

The previous prime is 1428609019. The next prime is 1428609047. The reversal of 1428609024 is 4209068241.

1428609024 is a `hidden beast` number, since 1 + 4 + 28 + 609 + 0 + 24 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1428609024.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3299112 + ... + 3299544.

Almost surely, 2^1428609024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1428609024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2079359100).

1428609024 is an abundant number, since it is smaller than the sum of its proper divisors (2730109176).

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

1428609024 is a wasteful number, since it uses less digits than its factorization.

1428609024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1428609024 is about 37796.9446384228. The cubic root of 1428609024 is about 1126.2577601037.

The spelling of 1428609024 in words is "one billion, four hundred twenty-eight million, six hundred nine thousand, twenty-four".