30440421342 has 12 divisors (see below), whose sum is σ = 65954246280. Its totient is φ = 10146807108.

The previous prime is 30440421311. The next prime is 30440421383. The reversal of 30440421342 is 24312404403.

It is a happy number.

30440421342 is a `hidden beast` number, since 3 + 0 + 4 + 404 + 213 + 42 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 845567242 + ... + 845567277.

It is an arithmetic number, because the mean of its divisors is an integer number (5496187190).

Almost surely, 2^30440421342 is an apocalyptic number.

30440421342 is an abundant number, since it is smaller than the sum of its proper divisors (35513824938).

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

30440421342 is a wasteful number, since it uses less digits than its factorization.

30440421342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691134527 (or 1691134524 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 30440421342 its reverse (24312404403), we get a palindrome (54752825745).

The spelling of 30440421342 in words is "thirty billion, four hundred forty million, four hundred twenty-one thousand, three hundred forty-two".