42246888242 has 16 divisors (see below), whose sum is σ = 68598582360. Its totient is φ = 19397532672.

The previous prime is 42246888181. The next prime is 42246888251. The reversal of 42246888242 is 24288864224.

42246888242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 15077629681 + 27169258561 = 122791^2 + 164831^2 .

It is a super-2 number, since 2×42246888242² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4204517 + ... + 4214552.

Almost surely, 2^42246888242 is an apocalyptic number.

42246888242 is a deficient number, since it is larger than the sum of its proper divisors (26351694118).

42246888242 is a wasteful number, since it uses less digits than its factorization.

42246888242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8419277.

The product of its digits is 3145728, while the sum is 50.

The spelling of 42246888242 in words is "forty-two billion, two hundred forty-six million, eight hundred eighty-eight thousand, two hundred forty-two".