42248858 has 8 divisors (see below), whose sum is σ = 63702228. Its totient is φ = 21014784.

The previous prime is 42248831. The next prime is 42248863. The reversal of 42248858 is 85884224.

It can be written as a sum of positive squares in 2 ways, for example, as 38725729 + 3523129 = 6223^2 + 1877^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54341 + ... + 55112.

Almost surely, 2^42248858 is an apocalyptic number.

42248858 is a deficient number, since it is larger than the sum of its proper divisors (21453370).

42248858 is a wasteful number, since it uses less digits than its factorization.

42248858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109648.

The product of its digits is 163840, while the sum is 41.

The square root of 42248858 is about 6499.9121532525. The cubic root of 42248858 is about 348.2878503121.

The spelling of 42248858 in words is "forty-two million, two hundred forty-eight thousand, eight hundred fifty-eight".