42248442577 has 8 divisors (see below), whose sum is σ = 46738354752. Its totient is φ = 37866721200.

The previous prime is 42248442569. The next prime is 42248442583. The reversal of 42248442577 is 77524484224.

It is a happy number.

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

It is not a de Polignac number, because 42248442577 - 2³ = 42248442569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42248442577.

It is not an unprimeable number, because it can be changed into a prime (42248442547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27046878 + ... + 27048439.

It is an arithmetic number, because the mean of its divisors is an integer number (5842294344).

Almost surely, 2^42248442577 is an apocalyptic number.

It is an amenable number.

42248442577 is a deficient number, since it is larger than the sum of its proper divisors (4489912175).

42248442577 is a wasteful number, since it uses less digits than its factorization.

42248442577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54095399.

The product of its digits is 4014080, while the sum is 49.

The spelling of 42248442577 in words is "forty-two billion, two hundred forty-eight million, four hundred forty-two thousand, five hundred seventy-seven".