42458366 has 8 divisors (see below), whose sum is σ = 63752304. Its totient is φ = 21207600.

The previous prime is 42458341. The next prime is 42458387. The reversal of 42458366 is 66385424.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8210 + ... + 12341.

It is an arithmetic number, because the mean of its divisors is an integer number (7969038).

Almost surely, 2^42458366 is an apocalyptic number.

42458366 is a deficient number, since it is larger than the sum of its proper divisors (21293938).

42458366 is a wasteful number, since it uses less digits than its factorization.

42458366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21586.

The product of its digits is 138240, while the sum is 38.

The square root of 42458366 is about 6516.0084407557. The cubic root of 42458366 is about 348.8626098838.

It can be divided in two parts, 42458 and 366, that added together give a palindrome (42824).

The spelling of 42458366 in words is "forty-two million, four hundred fifty-eight thousand, three hundred sixty-six".