30210042 has 16 divisors (see below), whose sum is σ = 60473952. Its totient is φ = 10061040.

The previous prime is 30210023. The next prime is 30210043. The reversal of 30210042 is 24001203.

It is not an unprimeable number, because it can be changed into a prime (30210043) 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, 12193 + ... + 14459.

It is an arithmetic number, because the mean of its divisors is an integer number (3779622).

Almost surely, 2^30210042 is an apocalyptic number.

30210042 is an abundant number, since it is smaller than the sum of its proper divisors (30263910).

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

30210042 is a wasteful number, since it uses less digits than its factorization.

30210042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4493.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 30210042 is about 5496.3662541719. The cubic root of 30210042 is about 311.4467306777.

Adding to 30210042 its reverse (24001203), we get a palindrome (54211245).

The spelling of 30210042 in words is "thirty million, two hundred ten thousand, forty-two".