42229442916 has 36 divisors (see below), whose sum is σ = 106898988924. Its totient is φ = 14056392000.

The previous prime is 42229442911. The next prime is 42229442987. The reversal of 42229442916 is 61924492224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14126273316 + 28103169600 = 118854^2 + 167640^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (42229442911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 811455 + ... + 861926.

It is an arithmetic number, because the mean of its divisors is an integer number (2969416359).

Almost surely, 2^42229442916 is an apocalyptic number.

It is an amenable number.

42229442916 is an abundant number, since it is smaller than the sum of its proper divisors (64669546008).

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

42229442916 is a wasteful number, since it uses less digits than its factorization.

42229442916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674092 (or 1674087 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The spelling of 42229442916 in words is "forty-two billion, two hundred twenty-nine million, four hundred forty-two thousand, nine hundred sixteen".