1428730014442 has 64 divisors (see below), whose sum is σ = 2360053822464. Its totient is φ = 645757931520.

The previous prime is 1428730014433. The next prime is 1428730014497. The reversal of 1428730014442 is 2444100378241.

It is a junction number, because it is equal to n+sod(n) for n = 1428730014395 and 1428730014404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76857873 + ... + 76876459.

It is an arithmetic number, because the mean of its divisors is an integer number (36875840976).

Almost surely, 2^{1428730014442} is an apocalyptic number.

1428730014442 is a deficient number, since it is larger than the sum of its proper divisors (931323808022).

1428730014442 is a wasteful number, since it uses less digits than its factorization.

1428730014442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19183.

The product of its (nonzero) digits is 172032, while the sum is 40.

The spelling of 1428730014442 in words is "one trillion, four hundred twenty-eight billion, seven hundred thirty million, fourteen thousand, four hundred forty-two".