30263442 has 32 divisors (see below), whose sum is σ = 67120704. Its totient is φ = 9019200.

The previous prime is 30263411. The next prime is 30263449. The reversal of 30263442 is 24436203.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30263449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268 + ... + 7784.

It is an arithmetic number, because the mean of its divisors is an integer number (2097522).

Almost surely, 2^30263442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30263442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33560352).

30263442 is an abundant number, since it is smaller than the sum of its proper divisors (36857262).

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

30263442 is a wasteful number, since it uses less digits than its factorization.

30263442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7594.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 30263442 is about 5501.2218642771. The cubic root of 30263442 is about 311.6301295815.

Adding to 30263442 its reverse (24436203), we get a palindrome (54699645).

The spelling of 30263442 in words is "thirty million, two hundred sixty-three thousand, four hundred forty-two".