1428348824440 has 32 divisors (see below), whose sum is σ = 3282163260480. Its totient is φ = 559183368832.

The previous prime is 1428348824359. The next prime is 1428348824443. The reversal of 1428348824440 is 444288438241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428348824443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379878127 + ... + 379881886.

It is an arithmetic number, because the mean of its divisors is an integer number (102567601890).

Almost surely, 2^{1428348824440} is an apocalyptic number.

1428348824440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1428348824440 is an abundant number, since it is smaller than the sum of its proper divisors (1853814436040).

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

1428348824440 is a wasteful number, since it uses less digits than its factorization.

1428348824440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759760071 (or 759760067 counting only the distinct ones).

The product of its (nonzero) digits is 6291456, while the sum is 52.

The spelling of 1428348824440 in words is "one trillion, four hundred twenty-eight billion, three hundred forty-eight million, eight hundred twenty-four thousand, four hundred forty".