30432233442 has 32 divisors (see below), whose sum is σ = 66195339840. Its totient is φ = 9271051200.

The previous prime is 30432233393. The next prime is 30432233449. The reversal of 30432233442 is 24433223403.

It is a super-2 number, since 2×30432233442² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30432233449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1923592 + ... + 1939347.

It is an arithmetic number, because the mean of its divisors is an integer number (2068604370).

Almost surely, 2^30432233442 is an apocalyptic number.

30432233442 is an abundant number, since it is smaller than the sum of its proper divisors (35763106398).

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

30432233442 is a wasteful number, since it uses less digits than its factorization.

30432233442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863058.

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 30432233442 its reverse (24433223403), we get a palindrome (54865456845).

The spelling of 30432233442 in words is "thirty billion, four hundred thirty-two million, two hundred thirty-three thousand, four hundred forty-two".