42305900 has 72 divisors (see below), whose sum is σ = 113013600. Its totient is φ = 13386240.

The previous prime is 42305881. The next prime is 42305959. The reversal of 42305900 is 950324.

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 in 23 ways as a sum of consecutive naturals, for example, 6776 + ... + 11424.

Almost surely, 2^42305900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42305900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56506800).

42305900 is an abundant number, since it is smaller than the sum of its proper divisors (70707700).

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

42305900 is a wasteful number, since it uses less digits than its factorization.

42305900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4683 (or 4676 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 42305900 is about 6504.2985786324. The cubic root of 42305900 is about 348.4445259564. Note that the first 3 decimals are identical.

The spelling of 42305900 in words is "forty-two million, three hundred five thousand, nine hundred".