42777242242 has 16 divisors (see below), whose sum is σ = 73345487040. Its totient is φ = 18329835888.

The previous prime is 42777242237. The next prime is 42777242243. The reversal of 42777242242 is 24224277724.

It is not an unprimeable number, because it can be changed into a prime (42777242243) 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 7 ways as a sum of consecutive naturals, for example, 190128 + ... + 348859.

It is an arithmetic number, because the mean of its divisors is an integer number (4584092940).

Almost surely, 2^42777242242 is an apocalyptic number.

42777242242 is a deficient number, since it is larger than the sum of its proper divisors (30568244798).

42777242242 is a wasteful number, since it uses less digits than its factorization.

42777242242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544665.

The product of its digits is 702464, while the sum is 43.

The spelling of 42777242242 in words is "forty-two billion, seven hundred seventy-seven million, two hundred forty-two thousand, two hundred forty-two".