42657826 has 8 divisors (see below), whose sum is σ = 65071440. Its totient is φ = 20967348.

The previous prime is 42657817. The next prime is 42657833. The reversal of 42657826 is 62875624.

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

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, 180636 + ... + 180871.

It is an arithmetic number, because the mean of its divisors is an integer number (8133930).

Almost surely, 2^42657826 is an apocalyptic number.

42657826 is a deficient number, since it is larger than the sum of its proper divisors (22413614).

42657826 is a wasteful number, since it uses less digits than its factorization.

42657826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361568.

The product of its digits is 161280, while the sum is 40.

The square root of 42657826 is about 6531.2958897909. The cubic root of 42657826 is about 349.4080497471.

The spelling of 42657826 in words is "forty-two million, six hundred fifty-seven thousand, eight hundred twenty-six".