42442620002 has 32 divisors (see below), whose sum is σ = 68035120560. Its totient is φ = 19788021760.

The previous prime is 42442620001. The next prime is 42442620029. The reversal of 42442620002 is 20002624424.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 9409194001 + 33033426001 = 97001^2 + 181751^2 .

It is not an unprimeable number, because it can be changed into a prime (42442620001) 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 15 ways as a sum of consecutive naturals, for example, 2418074 + ... + 2435562.

Almost surely, 2^42442620002 is an apocalyptic number.

42442620002 is a deficient number, since it is larger than the sum of its proper divisors (25592500558).

42442620002 is a wasteful number, since it uses less digits than its factorization.

42442620002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18166.

The product of its (nonzero) digits is 6144, while the sum is 26.

The spelling of 42442620002 in words is "forty-two billion, four hundred forty-two million, six hundred twenty thousand, two".