42626026642 has 8 divisors (see below), whose sum is σ = 64987221132. Its totient is φ = 20963619600.

The previous prime is 42626026613. The next prime is 42626026643. The reversal of 42626026642 is 24662062624.

It is a happy number.

42626026642 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 2 ways, for example, as 41820659001 + 805367641 = 204501^2 + 28379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42626026595 and 42626026604.

It is not an unprimeable number, because it can be changed into a prime (42626026643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174696709 + ... + 174696952.

Almost surely, 2^42626026642 is an apocalyptic number.

42626026642 is a deficient number, since it is larger than the sum of its proper divisors (22361194490).

42626026642 is a wasteful number, since it uses less digits than its factorization.

42626026642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349393724.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 42626026642 in words is "forty-two billion, six hundred twenty-six million, twenty-six thousand, six hundred forty-two".