1442028491775 has 18 divisors (see below), whose sum is σ = 2582833254560. Its totient is φ = 769081862160.

The previous prime is 1442028491723. The next prime is 1442028491779. The reversal of 1442028491775 is 5771948202441.

It is a happy number.

1442028491775 is a `hidden beast` number, since 1 + 4 + 420 + 2 + 8 + 49 + 177 + 5 = 666.

It is not a de Polignac number, because 1442028491775 - 2⁹ = 1442028491263 is a prime.

It is a super-3 number, since 3×1442028491775³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442028491779) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3204507535 + ... + 3204507984.

Almost surely, 2^{1442028491775} is an apocalyptic number.

1442028491775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1442028491775 is a deficient number, since it is larger than the sum of its proper divisors (1140804762785).

1442028491775 is a wasteful number, since it uses less digits than its factorization.

1442028491775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6409015535 (or 6409015527 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 1442028491775 in words is "one trillion, four hundred forty-two billion, twenty-eight million, four hundred ninety-one thousand, seven hundred seventy-five".