42427745474 has 8 divisors (see below), whose sum is σ = 65836156860. Its totient is φ = 20482359856.

The previous prime is 42427745443. The next prime is 42427745539. The reversal of 42427745474 is 47454772424.

It can be written as a sum of positive squares in 2 ways, for example, as 38097184225 + 4330561249 = 195185^2 + 65807^2 .

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

It is a super-2 number, since 2×42427745474² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365756369 + ... + 365756484.

Almost surely, 2^42427745474 is an apocalyptic number.

42427745474 is a deficient number, since it is larger than the sum of its proper divisors (23408411386).

42427745474 is a wasteful number, since it uses less digits than its factorization.

42427745474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731512884.

The product of its digits is 7024640, while the sum is 50.

The spelling of 42427745474 in words is "forty-two billion, four hundred twenty-seven million, seven hundred forty-five thousand, four hundred seventy-four".