42262642 has 8 divisors (see below), whose sum is σ = 64021932. Its totient is φ = 20922000.

The previous prime is 42262639. The next prime is 42262699. The reversal of 42262642 is 24626224.

It can be written as a sum of positive squares in 2 ways, for example, as 41486481 + 776161 = 6441^2 + 881^2 .

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

It is a super-2 number, since 2×42262642² = 3572261817640328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42262642.

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, 104409 + ... + 104812.

Almost surely, 2^42262642 is an apocalyptic number.

42262642 is a deficient number, since it is larger than the sum of its proper divisors (21759290).

42262642 is a wasteful number, since it uses less digits than its factorization.

42262642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209324.

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

The square root of 42262642 is about 6500.9723888046. The cubic root of 42262642 is about 348.3257233494.

Adding to 42262642 its reverse (24626224), we get a palindrome (66888866).

The spelling of 42262642 in words is "forty-two million, two hundred sixty-two thousand, six hundred forty-two".