42028486 has 4 divisors (see below), whose sum is σ = 63042732. Its totient is φ = 21014242.

The previous prime is 42028463. The next prime is 42028499. The reversal of 42028486 is 68482024.

It is a semiprime because it is the product of two primes.

It is a congruent 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 as a sum of consecutive naturals, namely, 10507120 + ... + 10507123.

It is an arithmetic number, because the mean of its divisors is an integer number (15760683).

Almost surely, 2^42028486 is an apocalyptic number.

42028486 is a deficient number, since it is larger than the sum of its proper divisors (21014246).

42028486 is a wasteful number, since it uses less digits than its factorization.

42028486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21014245.

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 42028486 is about 6482.9380684995. The cubic root of 42028486 is about 347.6812325184.

The spelling of 42028486 in words is "forty-two million, twenty-eight thousand, four hundred eighty-six".