1428717144430 has 8 divisors (see below), whose sum is σ = 2571690859992. Its totient is φ = 571486857768.

The previous prime is 1428717144419. The next prime is 1428717144443. The reversal of 1428717144430 is 344417178241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71435857212 + ... + 71435857231.

It is an arithmetic number, because the mean of its divisors is an integer number (321461357499).

Almost surely, 2^{1428717144430} is an apocalyptic number.

1428717144430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1428717144430 is a deficient number, since it is larger than the sum of its proper divisors (1142973715562).

1428717144430 is a wasteful number, since it uses less digits than its factorization.

1428717144430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142871714450.

The product of its (nonzero) digits is 602112, while the sum is 46.

The spelling of 1428717144430 in words is "one trillion, four hundred twenty-eight billion, seven hundred seventeen million, one hundred forty-four thousand, four hundred thirty".