1428429996 has 144 divisors (see below), whose sum is σ = 4411749888. Its totient is φ = 380793600.

The previous prime is 1428429979. The next prime is 1428430001. The reversal of 1428429996 is 6999248241.

1428429996 is a `hidden beast` number, since 1 + 428 + 42 + 99 + 96 = 666.

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 47 ways as a sum of consecutive naturals, for example, 234631 + ... + 240641.

It is an arithmetic number, because the mean of its divisors is an integer number (30637152).

Almost surely, 2^1428429996 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 1428429996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2205874944).

1428429996 is an abundant number, since it is smaller than the sum of its proper divisors (2983319892).

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

1428429996 is a wasteful number, since it uses less digits than its factorization.

1428429996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6092 (or 6087 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 1428429996 is about 37794.5762775560. The cubic root of 1428429996 is about 1126.2107119858.

The spelling of 1428429996 in words is "one billion, four hundred twenty-eight million, four hundred twenty-nine thousand, nine hundred ninety-six".