42052242442 has 16 divisors (see below), whose sum is σ = 75883746240. Its totient is φ = 17073842688.

The previous prime is 42052242431. The next prime is 42052242473. The reversal of 42052242442 is 24424225024.

It is a happy number.

It is a super-2 number, since 2×42052242442² (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 7 ways as a sum of consecutive naturals, for example, 79045303 + ... + 79045834.

It is an arithmetic number, because the mean of its divisors is an integer number (4742734140).

Almost surely, 2^42052242442 is an apocalyptic number.

42052242442 is a deficient number, since it is larger than the sum of its proper divisors (33831503798).

42052242442 is a wasteful number, since it uses less digits than its factorization.

42052242442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158091165.

The product of its (nonzero) digits is 40960, while the sum is 31.

Adding to 42052242442 its reverse (24424225024), we get a palindrome (66476467466).

The spelling of 42052242442 in words is "forty-two billion, fifty-two million, two hundred forty-two thousand, four hundred forty-two".