42266642 has 8 divisors (see below), whose sum is σ = 69163632. Its totient is φ = 19212100.

The previous prime is 42266639. The next prime is 42266647. The reversal of 42266642 is 24666224.

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 = 42266599 and 42266608.

It is not an unprimeable number, because it can be changed into a prime (42266647) 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, 960584 + ... + 960627.

It is an arithmetic number, because the mean of its divisors is an integer number (8645454).

Almost surely, 2^42266642 is an apocalyptic number.

42266642 is a deficient number, since it is larger than the sum of its proper divisors (26896990).

42266642 is a wasteful number, since it uses less digits than its factorization.

42266642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921224.

The product of its digits is 27648, while the sum is 32.

The square root of 42266642 is about 6501.2800278099. The cubic root of 42266642 is about 348.3367122423.

The spelling of 42266642 in words is "forty-two million, two hundred sixty-six thousand, six hundred forty-two".