42242626 has 8 divisors (see below), whose sum is σ = 63402300. Its totient is φ = 21108528.

The previous prime is 42242617. The next prime is 42242633. The reversal of 42242626 is 62624224.

It can be written as a sum of positive squares in 2 ways, for example, as 42237001 + 5625 = 6499^2 + 75^2 .

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 = 42242594 and 42242603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1521 + ... + 9316.

It is a self-describing number.

Almost surely, 2^42242626 is an apocalyptic number.

42242626 is a deficient number, since it is larger than the sum of its proper divisors (21159674).

42242626 is a wasteful number, since it uses less digits than its factorization.

42242626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12788.

The product of its digits is 9216, while the sum is 28.

The square root of 42242626 is about 6499.4327444786. The cubic root of 42242626 is about 348.2707245111.

The spelling of 42242626 in words is "forty-two million, two hundred forty-two thousand, six hundred twenty-six".