42442798428577 has 16 divisors (see below), whose sum is σ = 44952330592512. Its totient is φ = 39934700870400.

The previous prime is 42442798428529. The next prime is 42442798428607. The reversal of 42442798428577 is 77582489724424.

It is not a de Polignac number, because 42442798428577 - 2¹⁹ = 42442797904289 is a prime.

It is a super-2 number, since 2×42442798428577² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42442798428677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1532161827 + ... + 1532189527.

It is an arithmetic number, because the mean of its divisors is an integer number (2809520662032).

Almost surely, 2^{42442798428577} is an apocalyptic number.

It is an amenable number.

42442798428577 is a deficient number, since it is larger than the sum of its proper divisors (2509532163935).

42442798428577 is a wasteful number, since it uses less digits than its factorization.

42442798428577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50328.

The product of its digits is 2023096320, while the sum is 73.

The spelling of 42442798428577 in words is "forty-two trillion, four hundred forty-two billion, seven hundred ninety-eight million, four hundred twenty-eight thousand, five hundred seventy-seven".