30416442 has 72 divisors (see below), whose sum is σ = 74694816. Its totient is φ = 8087904.

The previous prime is 30416423. The next prime is 30416443. The reversal of 30416442 is 24461403.

It is not an unprimeable number, because it can be changed into a prime (30416443) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 822048 + ... + 822084.

It is an arithmetic number, because the mean of its divisors is an integer number (1037428).

Almost surely, 2^30416442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30416442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37347408).

30416442 is an abundant number, since it is smaller than the sum of its proper divisors (44278374).

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

30416442 is a wasteful number, since it uses less digits than its factorization.

30416442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 30416442 is about 5515.1103343451. The cubic root of 30416442 is about 312.1544066430.

Adding to 30416442 its reverse (24461403), we get a palindrome (54877845).

The spelling of 30416442 in words is "thirty million, four hundred sixteen thousand, four hundred forty-two".