1428440016198 has 32 divisors (see below), whose sum is σ = 3108357989856. Its totient is φ = 434988868608.

The previous prime is 1428440016121. The next prime is 1428440016229. The reversal of 1428440016198 is 8916100448241.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 94391061 + ... + 94406192.

It is an arithmetic number, because the mean of its divisors is an integer number (97136187183).

Almost surely, 2^{1428440016198} is an apocalyptic number.

1428440016198 is an abundant number, since it is smaller than the sum of its proper divisors (1679917973658).

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

1428440016198 is a wasteful number, since it uses less digits than its factorization.

1428440016198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188797368.

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 1428440016198 in words is "one trillion, four hundred twenty-eight billion, four hundred forty million, sixteen thousand, one hundred ninety-eight".