42305628 has 24 divisors (see below), whose sum is σ = 103909120. Its totient is φ = 13359600.

The previous prime is 42305621. The next prime is 42305633. The reversal of 42305628 is 82650324.

It is a junction number, because it is equal to n+sod(n) for n = 42305595 and 42305604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42305621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92548 + ... + 93003.

Almost surely, 2^42305628 is an apocalyptic number.

It is an amenable number.

42305628 is an abundant number, since it is smaller than the sum of its proper divisors (61603492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42305628 is a wasteful number, since it uses less digits than its factorization.

42305628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185577 (or 185575 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 42305628 is about 6504.2776693496. The cubic root of 42305628 is about 348.4437791960.

The spelling of 42305628 in words is "forty-two million, three hundred five thousand, six hundred twenty-eight".