42452727667 has 16 divisors (see below), whose sum is σ = 49252976640. Its totient is φ = 35836625088.

The previous prime is 42452727659. The next prime is 42452727671. The reversal of 42452727667 is 76672725424.

It is a cyclic number.

It is not a de Polignac number, because 42452727667 - 2³ = 42452727659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42452727617) by changing a digit.

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, 2828559 + ... + 2843527.

It is an arithmetic number, because the mean of its divisors is an integer number (3078311040).

Almost surely, 2^42452727667 is an apocalyptic number.

42452727667 is a deficient number, since it is larger than the sum of its proper divisors (6800248973).

42452727667 is a wasteful number, since it uses less digits than its factorization.

42452727667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21090.

The product of its digits is 7902720, while the sum is 52.

The spelling of 42452727667 in words is "forty-two billion, four hundred fifty-two million, seven hundred twenty-seven thousand, six hundred sixty-seven".