42840302 has 8 divisors (see below), whose sum is σ = 65997336. Its totient is φ = 20841192.

The previous prime is 42840299. The next prime is 42840319. The reversal of 42840302 is 20304824.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289388 + ... + 289535.

It is an arithmetic number, because the mean of its divisors is an integer number (8249667).

Almost surely, 2^42840302 is an apocalyptic number.

42840302 is a deficient number, since it is larger than the sum of its proper divisors (23157034).

42840302 is a wasteful number, since it uses less digits than its factorization.

42840302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578962.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 42840302 is about 6545.2503389863. The cubic root of 42840302 is about 349.9055581922.

The spelling of 42840302 in words is "forty-two million, eight hundred forty thousand, three hundred two".