42028714449 has 12 divisors (see below), whose sum is σ = 61999806336. Its totient is φ = 27422990712.

The previous prime is 42028714417. The next prime is 42028714451. The reversal of 42028714449 is 94441782024.

42028714449 is a `hidden beast` number, since 420 + 2 + 87 + 144 + 4 + 9 = 666.

It is not a de Polignac number, because 42028714449 - 2⁵ = 42028714417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42028714249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49678909 + ... + 49679754.

It is an arithmetic number, because the mean of its divisors is an integer number (5166650528).

Almost surely, 2^42028714449 is an apocalyptic number.

It is an amenable number.

42028714449 is a deficient number, since it is larger than the sum of its proper divisors (19971091887).

42028714449 is a wasteful number, since it uses less digits than its factorization.

42028714449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99358716 (or 99358713 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 42028714449 in words is "forty-two billion, twenty-eight million, seven hundred fourteen thousand, four hundred forty-nine".