42774318220 has 24 divisors (see below), whose sum is σ = 91166758704. Its totient is φ = 16854357696.

The previous prime is 42774318217. The next prime is 42774318221. The reversal of 42774318220 is 2281347724.

It is not an unprimeable number, because it can be changed into a prime (42774318221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15959227 + ... + 15961906.

It is an arithmetic number, because the mean of its divisors is an integer number (3798614946).

Almost surely, 2^42774318220 is an apocalyptic number.

It is an amenable number.

42774318220 is an abundant number, since it is smaller than the sum of its proper divisors (48392440484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42774318220 is a wasteful number, since it uses less digits than its factorization.

42774318220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31921209 (or 31921207 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 40.

The spelling of 42774318220 in words is "forty-two billion, seven hundred seventy-four million, three hundred eighteen thousand, two hundred twenty".