1428921798248 has 48 divisors (see below), whose sum is σ = 3116963755620. Its totient is φ = 612334076928.

The previous prime is 1428921798193. The next prime is 1428921798289. The reversal of 1428921798248 is 8428971298241.

It can be written as a sum of positive squares in 2 ways, for example, as 1109065946884 + 319855851364 = 1053122^2 + 565558^2 .

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 11 ways as a sum of consecutive naturals, for example, 3875786 + ... + 4228422.

Almost surely, 2^{1428921798248} is an apocalyptic number.

It is an amenable number.

1428921798248 is an abundant number, since it is smaller than the sum of its proper divisors (1688041957372).

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

1428921798248 is a wasteful number, since it uses less digits than its factorization.

1428921798248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362994 (or 362983 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 65.

The spelling of 1428921798248 in words is "one trillion, four hundred twenty-eight billion, nine hundred twenty-one million, seven hundred ninety-eight thousand, two hundred forty-eight".