42428510 has 8 divisors (see below), whose sum is σ = 76371336. Its totient is φ = 16971400.

The previous prime is 42428509. The next prime is 42428527. The reversal of 42428510 is 1582424.

42428510 = 1447² + 1448² + ... + 1466².

It is a happy number.

42428510 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42428510.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2121416 + ... + 2121435.

It is an arithmetic number, because the mean of its divisors is an integer number (9546417).

Almost surely, 2^42428510 is an apocalyptic number.

42428510 is a deficient number, since it is larger than the sum of its proper divisors (33942826).

42428510 is a wasteful number, since it uses less digits than its factorization.

42428510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242858.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 42428510 is about 6513.7170647795. The cubic root of 42428510 is about 348.7808192939.

The spelling of 42428510 in words is "forty-two million, four hundred twenty-eight thousand, five hundred ten".