42774881612 has 12 divisors (see below), whose sum is σ = 75051492096. Its totient is φ = 21331598160.

The previous prime is 42774881543. The next prime is 42774881641. The reversal of 42774881612 is 21618847724.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13958939 + ... + 13962002.

It is an arithmetic number, because the mean of its divisors is an integer number (6254291008).

Almost surely, 2^42774881612 is an apocalyptic number.

It is an amenable number.

42774881612 is a deficient number, since it is larger than the sum of its proper divisors (32276610484).

42774881612 is a wasteful number, since it uses less digits than its factorization.

42774881612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27921328 (or 27921326 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 50.

The spelling of 42774881612 in words is "forty-two billion, seven hundred seventy-four million, eight hundred eighty-one thousand, six hundred twelve".